If a diffraction grating is placed in the path of a light beam it reveals______________?

Related Mcqs:

Tick the correct statement ?

A. the flight path of a vertically falling body appears straight to the stationary observer B. the flight path of vertically falling body appears parabolic to an observer in uniform relative motion C. all states of rest and motion are relative and there is no such thing as absolute motion D. all the above...

The existence of Ether wind was experimentally rejected by__________________?

A. equal to its rest mass B. double of its rest mass C. infinite D. zero...

Select an alternative from of uncertainly principle from the following_______________?

A. ∆E = h/m∆c(1-cosθ) B. ∆E . ∆t = h C. mc2 = hv D. Any of above...

In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?

A. Becomes double B. Remains same C. Becomes half D. First increases then decrease because of the curvilinear graph...

If a photon is reflected from the mirror then the change in momentum of each photon is_______________?

A. Zero B. Double C. Half D. 1...