physics

Which of the following will reduce the frequency of oscillation of a simple pendulum _____?

A. Increasing the mass of the bob B. Decreasing the mass of the bob C. Increasing the length of the…

5 years ago

Which of the following has the same unit as the moment of a force?

A. Force B. Power C. Work D. Momentum E. Impulse Correct Answer: Option C - Work

5 years ago

A body accelerates uniformly from rest at the rate of 3 m/s for 8 seconds. Calculate the distance covered by the body during the acceleration.

A. 12m B. 24m C. 48m D. 72m E. 96m Correct Answer: Option E - 96m Explanation S = ut…

5 years ago

Which of the following statements about solid friction is/are correct?

I. Friction depends on the nature of the surfaces in contact II. Friction depends on the area of contact III.…

5 years ago

What change in velocity would be produced on a body of mass 4kg if a constant force of 16 N acts on it for 2s?

  A. 0.5 m/s B. 2.0 m/s C. 8.0 m/s D. 32.0 m/s E. 128.0 m/s Correct Answer: Option C…

5 years ago

Which of the following is a scalar quantity _______?

A. Momentum B. Acceleration C. Displacement D. Distance E. Force Correct Answer: Option D - Distance

5 years ago

Calculate the current (I) in the diagram shown below. (Neglect the internal resistance of the cell)

A. 4.0A B. 2.0A C. 1.0A D. O.5A E. 0.1A. Correct Answer: Option C - 1.0A Explanation R = 2…

5 years ago

When an atom is in the ground state, it is said to be?

A. grounded B. excited C. stable D. ionized E. radiating Correct Answer: Option C - stable

5 years ago

According to the kinetic theory of gases the collision of the molecules of a gas with the wall of the container is mainly responsible for the?

l. temperature of the gas ll. viscosity of the gas Ill. pressure of the gas A. I only B. II…

5 years ago

Which of the following is used a nuclear reactor to slow down fast moving neutrons?

A. Carbondioxide gas B. Liquid sodium metal C. Concrete shield D. Graphite rods E. Boron rods Correct Answer: Option E…

5 years ago