April 24, 2024
The form of carbon known as graphite
  • (A) Is harder than diamond
  • (B) Contains a higher percentage of carbon than diamond
  • (C) Is a better electrical conductor than diamond
  • (D) Has equal carbon-to-carbon distances in all directions
Assertion : Velocity is a derived physical quantity.
Reason : Velocity cannot be derived from the fundamental physical quantities.
  • (A) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
  • (B) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
  • (C) If Assertion is correct but Reason is incorrect.
  • (D) If Assertion is incorrect but Reason is correct.
If a ship moves from freshwater into seawater, it will
  • (A) Sink completely
  • (B) Sink a little bit
  • (C) Rise a little higher
  • (D) Remain unaffected
When a moving bus suddenly applies brakes, the passengers sitting in it fall in the forward direction. This can be explained by
  • (A) The theory of relativity
  • (B) Newton’s first law
  • (C) Newton’s second law
  • (D) Newton’s third law
Match List I (Units) with List II (Physical quantity) and select the correct answer using the codes given below the lists.
List I (Units) = List II (Physical quantity)
(A) Watt = 1. Electric charge
(B) Tesla = 2. Power
(C) Coulomb = 3. Luminous intensity
(D) Candela = 4. Magnetic field
  • (A) A-1, B-4, C-2, D-3
  • (B) A-2, B-1, C-3, D-4
  • (C) A-1, B-2, C-4, D-3
  • (D) A-2, B-4, C-1, D-3
The pressure exerted on the ground by a man is greatest
  • (A) When the lies down in the ground
  • (B) When the stands on the toes of one foot
  • (C) When the stands with both foot flat on the ground
  • (D) All of the above yield the same pressure
Light Emitting Diode (LED) converts
  • (A) Light energy into electrical energy
  • (B) Electrical energy into light energy
  • (C) Thermal energy into light energy
  • (D) Mechanical energy into electrical energy
Regarding plants, consider the following sentences:
1. All plants synthesize their food themselves.
2 . Plants obtain nitrogen through roots present in the soil.
Which of the above assertions is/are correct?
  • (A) 1 only
  • (B) 2 only
  • (C) Both 1 and 2
  • (D) Neither 1 nor 2
A moderator is used in nuclear reactors in order to
  • (A) Slow down the speed of the nuetrons
  • (B) Acceleerate the neutrons
  • (C) Increase the number of neutrons
  • (D) Decrease the number of neutrons

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