Physics MCQs:

1) Michelson’s interferometer can be used to measure

a)    Michelson of light

b)   Intensity of light

c)    Amplitude of light

d)   None of these

2) In Michelson’s  interferometer, a bright fringe will be replaced by next bright fringe if we move the movable mirror by an amount equal to

a)    ⋋

b)   ⋋/2

c)    ⋋/4

d)   None of these

3) In Michelson’s  interferometer, the movable mirror is moved by 0.5000nm and shift of 200 fringed is observed, the wavelength for light used is

a)    5×10^-7m

b)   5×10^-4m

c)    5×10^-6m

d)   None of these

1.d

2.b

3.d