CBSE Class 12 Physics Electromagnetic Waves Quiz 3

1. Choose the wrong statement?

A Electromagnetic waves are transverse B Electromagnetic waves travel with the speed of light in free space C Electromagnetic waves are produced by accelerating charges D Electromagnetic waves travel with the same speed in all media

2. If u_e and u_m arc the electric and magnetic field densities in an electromagnetic wave, then (c is the speed of light):

A u_e = u_m B u_e = c u_m C u_e = \(\frac{u_m}{c}\) D None of these

3. Solar radiation is :

A transverse EMW B longitudinal EMW C both (a) and (b) D None of these

4. Ampere’s circuital law was modified by:

A Laplace B Gauss C Maxwell D Hertz

5. Light Year is the unit of:

A distance B time C energy D intensity of light