RRB GROUP D Physics Quiz - 15

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Question 1:

The layer of the atmosphere used for radio wave transmission is-

Question 2:

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. The SI unit of Charge is –

Question 3:

What form of radiation most closely resembles X-rays?

Question 4:

Which one of the following is not the fundamental quantity in Physics?

Question 5:

Which of the following is a vector quantity?

Question 6:

During radioactivity, particles like alpha, beta and gamma rays are emitted by an atom. Which one of the following is negatively charged?

Question 7:

Astronauts cannot stand upright in a vacuum because-

Question 8:

On which principle does a periscope work?

Question 9:

Who among the following is credited to work for the unification of electricity, magnetism, and optics field of Physics?

Question 10:

What does the term LASER stand for?