Physics Light MCQ

41. Question

If a polaroid is rotated, it is found that intensity of light varies but never reduces to zero. It shows that incident light is

42. Question

which of the following cannot lie polarised ‘?

43. Question

The amplitude of the unpolarised light incident on the polariser is ‘a’. What will he the amplitude of the polarised light transmitted through it?

44. Question

“The refractive index is equal to the tangent of the angle of polarisation”.

This statement is called

45. Question

For a doubly refracting crystal, the refractive indices for the ordinary and extraordinary rays are given as μo and μe. Along the optic axis, which of the following is true ‘?