16.

If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same
A. velocity B. momentum
C. acceleration D. kinetic energy
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.
17.

Pick out the scalar quantity
A. force B. pressure
C. velocity D. acceleration
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.
18.

Rectifiers are used to convert
A. Direct current to Alternating current B. Alternating current to Direct current
C. high voltage to low voltage D. low voltage to high voltage
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.
19.

out of the following, which is not emitted by radioactive substance?
A. Electrons B. Electromagnetic radiations
C. Alpha particles D. Neutrons
Answer and Explanation
Answer:D
Explanation: No answer description available for this question.
20.

Sound waves in air are
A. transverse B. longitudinal
C. electromagnetic D. polarised
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.