2018 Physics WAEC SSCE (School Candidates) May/June: Difference between revisions

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Physics 1 - Objective Test Questions

The S.I. unit of sound energy is
1. Hz
2. cd
3. dB
4. J
The general definition of elastic modulus is
1. stress/strain
2. strain/stress
3. stress x strain
4. $\surd$ stress/strain
The diagram illustrates a simple barometer. Which distance measures the atmospheric pressure?
1. PQ
2. QR
3. RS
4. QS
The property of a body to remain at rest or to continue in a uniform motion, in a straight line is called
1. momentum
2. inertia
3. impulse
4. energy
During a training session two footballers pass a ball repeatedly between each other. The ‘to and fro’ motion of the ball is not simple harmonic because the I. acceleration of the ball is not directed towards a fixed point. II. restoring force is not directed towards the centre. III. acceleration of the ball is not directly proportional to the displacement from a fixed point. Which of the statements above are correct?
1. I and III only
2. I and II only
3. II and III only
4. I, II, III
A dam is able to hold a large quantity of water because its wall is
1. thickest at the top
2. thickest at the middle
3. thickest at the bottom
4. of the same thickness throughout
A body of mass m moving round a circle of radius r with a uniform speed v experiences a centripetal force F. The work done by the centripetal force on it is
1. Fv
2. zero
3. Fmr
4. Fr/m
A block is acted upon by two horizontal forces as illustrated in the diagram above. The block accelerates at 1.5 ms^-2. Calculate the mass of the block.
1. 6 kg
2. 9kg
3. 10 kg
4. 15 kg
Which of the following quantities are dimensionally independent? I. dielectric constant II. momentum Ill. efficiency IV. refractive index
1. I and II
2. II, III and IV
3. I, II, III and IV
4. I, III and IV
A body is projected with an initial velocity u at angle $\emptyset$ $\emptyset$ to the horizontal. If R_max is the maximum range of 2 the projectile, what does the relation R U² / mass
1. The vertical distance covered
2. Acceleration due to gravity
3. The horizontal distance covered
4. The acceleration of the body
An object at rest is said to possess
1. potential energy
2. kinetic energy
3. chemical energy
4. electrical energy
According to Newton’s law of cooling, the heat energy lost per unit area of a body depends on the I. Surface area. II. Nature the surface. III. Temperature of the surface. IV. Excess temperature over the surroundings.
1. I and II only
2. II and IV only
3. I,II and III
4. I,II and IV
The graph of density against temperature for water is correctly illustrated by
1. Option a
2. Option b
3. Option c
4. Option d
A football is kicked at an angle of 45° to the horizontal over a defence line up with a velocity of 15 ms^-1 Calculate the magnitude of horizontal velocity of the ball at its highest point. (Neglect friction, g= 10ms^-2)
1. 0.0 ms^-1
2. 5.6 ms^-1
3. 10.6 ms^-1
4. 15.0 ms^-1
The ice point on the absolute scale of temperature is
1. 0 k
2. 32 k
3. 100 k
4. 273 k
Which of the following factors does not increase the rate of evaporation of water in a lake?
1. Increase in the pressure of the atmosphere
2. Rise in temperature
3. Increase in the surface area of the lake
4. Increase in the speed of wind
The bob of a simple pendulum takes 8.0 s to complete 10 oscillations. Determine the frequency of oscillation of the bob.
1. 0.8 Hz
2. 1.25 Hz
3. 7.50 Hz
4. 8.00 Hz
The diagram above illustrates the mecury-in-glass thermometer used for determining the temperature of a room. Use the data on it to determine the room temperature
1. 3.3^oC
2. 7.0^oC
3. 13.0^oC
4. 30.0^oC
Frequency is measured in
1. meter per second
2. second
3. hertz
4. farad
Which of the following electromagnetic waves is most energetic?
1. Radio waves
2. X-ray
3. Gamma rays
4. Ultra-violet rays
Rainbow formation is a natural phenomenon illustrating that white light
1. splits into three components after rainfall.
2. is dispersed by glass prisms.
3. splits into its constituent colours before rainfall.
4. is dispersed into its constituent colours by raindrops.
The lens illustrated can best be described as a
1. converging meniscus
2. plano-convex
3. diverging meniscus
4. bi-convex
Two plane mirrors are inclined to each other such that an object placed between them has 11 images. Determine the angle of inclination
1. 30^o
2. 45^o
3. 60^o
4. 90^o
The pitch of a note is not affected by
1. frequency
2. tension in a vibrating string
3. mass of a vibrating string
4. amplitude of sound wave
Question 25
1. Option a
2. Option b
3. Option c
4. Option d
Question 26
1. Option a
2. Option b
3. Option c
4. Option d
Question 27
1. Option a
2. Option b
3. Option c
4. Option d
Question 28
1. Option a
2. Option b
3. Option c
4. Option d
Question 29
1. Option a
2. Option b
3. Option c
4. Option d
Question 30
1. Option a
2. Option b
3. Option c
4. Option d
Question 31
1. Option a
2. Option b
3. Option c
4. Option d
Question 32
1. Option a
2. Option b
3. Option c
4. Option d
Question 33
1. Option a
2. Option b
3. Option c
4. Option d
Question 34
1. Option a
2. Option b
3. Option c
4. Option d
Question 35
1. Option a
2. Option b
3. Option c
4. Option d
Question 36
1. Option a
2. Option b
3. Option c
4. Option d
Question 37
1. Option a
2. Option b
3. Option c
4. Option d
Question 38
1. Option a
2. Option b
3. Option c
4. Option d
Question 39
1. Option a
2. Option b
3. Option c
4. Option d
Question 40
1. Option a
2. Option b
3. Option c
4. Option d
Question 41
1. Option a
2. Option b
3. Option c
4. Option d
Question 42
1. Option a
2. Option b
3. Option c
4. Option d
Question 43
1. Option a
2. Option b
3. Option c
4. Option d
Question 44
1. Option a
2. Option b
3. Option c
4. Option d
Question 45
1. Option a
2. Option b
3. Option c
4. Option d
Question 46
1. Option a
2. Option b
3. Option c
4. Option d
Question 47
1. Option a
2. Option b
3. Option c
4. Option d
Question 48
1. Option a
2. Option b
3. Option c
4. Option d
Question 49
1. Option a
2. Option b
3. Option c
4. Option d
Question 50
1. Option a
2. Option b
3. Option c
4. Option d

Biology 2 - Theory Questions

Part 1

Question 1
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 2
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 3
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 4
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 5
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 6
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 7
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v

Part 2

Question 8
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 9
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 10
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 11
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 12
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v

Physics 3 - Practical Questions

Alternative A

Question 1
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 2
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 3
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v

@@ Line 67: / Line 67: @@
              <li>I, III and IV</li> </ol>
      </li>
-     <li>A body is projected with an initial velocity '''u''' at angle <math>\emptyset</math> to the horizontal. If R,,ay is the maximum range of 2 the projectile, what does the relation
+     <li>A body is projected with an initial velocity '''u''' at angle <math>\emptyset</math> to the horizontal. If R<sub>max</sub> is the maximum range of 2 the projectile, what does the relation R U<sup>2</sup> / mass
          <ol type="a">
-             <li>Option a</li>
+             <li>The vertical distance covered</li>
-             <li>Option b</li>
+             <li>Acceleration due to gravity</li>
-             <li>Option c</li>
+             <li>The horizontal distance covered</li>
-             <li>Option d</li>
+             <li>The acceleration of the body</li>
          </ol>
      </li>
-     <li>Question 11
+     <li>An object at rest is said to possess
          <ol type="a">
-             <li>Option a</li>
+             <li>potential energy</li>
-             <li>Option b</li>
+             <li>kinetic energy</li>
-             <li>Option c</li>
+             <li>chemical energy</li>
-             <li>Option d</li>
+             <li>electrical energy</li> </ol>
-        </ol>
      </li>
-     <li>Question 12
+     <li>According to Newton’s law of cooling, the heat energy lost per unit area of a body depends on the I. Surface area. II. Nature the surface. III. Temperature of the surface. IV. Excess temperature over the surroundings.
          <ol type="a">
-             <li>Option a</li>
+             <li>I and II only</li>
-             <li>Option b</li>
+             <li>II and IV only</li>
-             <li>Option c</li>
+             <li>I,II and III</li>
-             <li>Option d</li>
+             <li>I,II and IV</li> </ol>
-        </ol>
      </li>
-     <li>Question 13
+     <li>The graph of density against temperature for water is correctly illustrated by
          <ol type="a">
              <li>Option a</li>
@@ Line 99: / Line 97: @@
          </ol>
      </li>
-     <li>Question 14
+     <li>A football is kicked at an angle of 45° to the horizontal over a defence line up with a velocity of 15 ms<sup>-1</sup> Calculate the magnitude of horizontal velocity of the ball at its '''highest''' point. (Neglect friction, g= 10ms<sup>-2</sup>)
          <ol type="a">
-             <li>Option a</li>
+             <li>0.0 ms<sup>-1</sup></li>
-             <li>Option b</li>
+             <li>5.6  ms<sup>-1</sup></li>
-             <li>Option c</li>
+             <li>10.6  ms<sup>-1</sup></li>
-             <li>Option d</li>
+             <li>15.0  ms<sup>-1</sup></li> </ol>
-        </ol>
      </li>
-     <li>Question 15
+     <li>The ice point on the absolute scale of temperature is
          <ol type="a">
-             <li>Option a</li>
+             <li>0 k</li>
-             <li>Option b</li>
+             <li>32 k</li>
-             <li>Option c</li>
+             <li>100 k</li>
-             <li>Option d</li>
+             <li>273 k</li> </ol>
-        </ol>
      </li>
-     <li>Question 16
+     <li>Which of the following factors does not increase the rate of evaporation of water in a lake?
          <ol type="a">
-             <li>Option a</li>
+             <li>Increase in the pressure of the atmosphere</li>
-             <li>Option b</li>
+             <li>Rise in temperature</li>
-             <li>Option c</li>
+             <li>Increase in the surface area of the lake</li>
-             <li>Option d</li>
+             <li>Increase in the speed of wind</li>
          </ol>
      </li>
-     <li>Question 17
+     <li>The bob of a simple pendulum takes 8.0 s to complete 10 oscillations. Determine the frequency of oscillation of the bob.
          <ol type="a">
-             <li>Option a</li>
+             <li>0.8 Hz</li>
-             <li>Option b</li>
+             <li>1.25  Hz</li>
-             <li>Option c</li>
+             <li>7.50  Hz</li>
-             <li>Option d</li>
+             <li>8.00  Hz</li> </ol>
-        </ol>
      </li>
-     <li>Question 18
+     <li>The diagram above illustrates the mecury-in-glass thermometer used for determining the temperature of a room. Use the data on it to determine the room temperature
          <ol type="a">
-             <li>Option a</li>
+             <li>3.3<sup>o</sup>C</li>
-             <li>Option b</li>
+             <li>7.0<sup>o</sup>C</li>
-             <li>Option c</li>
+             <li>13.0<sup>o</sup>C</li>
-             <li>Option d</li>
+             <li>30.0<sup>o</sup>C</li> </ol>
-        </ol>
      </li>
-     <li>Question 19
+     <li>Frequency is measured in
          <ol type="a">
-             <li>Option a</li>
+             <li>meter per second</li>
-             <li>Option b</li>
+             <li>second</li>
-             <li>Option c</li>
+             <li>hertz</li>
-             <li>Option d</li>
+             <li>farad</li> </ol>
-        </ol>
      </li>
-     <li>Question 20
+     <li>Which of the following electromagnetic waves is most energetic?
          <ol type="a">
-             <li>Option a</li>
+             <li>Radio waves</li>
-             <li>Option b</li>
+             <li>X-ray</li>
-             <li>Option c</li>
+             <li>Gamma rays</li>
-             <li>Option d</li>
+             <li>Ultra-violet rays</li> </ol>
-        </ol>
      </li>
-     <li>Question 21
+     <li>Rainbow formation is a natural phenomenon illustrating that white light
          <ol type="a">
-             <li>Option a</li>
+             <li>splits into three components after rainfall.</li>
-             <li>Option b</li>
+             <li>is dispersed by glass prisms.</li>
-             <li>Option c</li>
+             <li>splits into its constituent colours before rainfall.</li>
-             <li>Option d</li>
+             <li>is dispersed into its constituent colours by raindrops.</li>
          </ol>
      </li>
-     <li>Question 22
+     <li>The lens illustrated can best be described as a
          <ol type="a">
-             <li>Option a</li>
+             <li>converging meniscus</li>
-             <li>Option b</li>
+             <li>plano-convex</li>
-             <li>Option c</li>
+             <li>diverging meniscus</li>
-             <li>Option d</li>
+             <li>bi-convex</li> </ol>
-        </ol>
      </li>
-     <li>Question 23
+     <li>'''Two''' plane mirrors are inclined to each other such that an object placed between them has 11 images. Determine the angle of inclination
          <ol type="a">
-             <li>Option a</li>
+             <li>30<sup>o</sup></li>
-             <li>Option b</li>
+             <li>45<sup>o</sup></li>
-             <li>Option c</li>
+             <li>60<sup>o</sup></li>
-             <li>Option d</li>
+             <li>90<sup>o</sup></li> </ol>
-        </ol>
      </li>
-     <li>Question 24
+     <li>The pitch of a note is '''not''' affected by
          <ol type="a">
-             <li>Option a</li>
+             <li>frequency</li>
-             <li>Option b</li>
+             <li>tension in a vibrating string</li>
-             <li>Option c</li>
+             <li>mass of a vibrating string</li>
-             <li>Option d</li>
+             <li>amplitude of sound wave</li>
          </ol>
      </li>