Question

To replace a bright fringe by the next bright fringe in Michelson's Interferometer the
moveable mirror is moved through a distance equal to.
a).wavelength/2
b).wavelength/4
c).wavelength
d).2wavelength
​

Answer 1

Answer:

The answer c).wavelength

Explanation:

A shift of one fringe corresponds to a change in the optical path length of one wavelength. When the mirror moves a distance d, the path length changes by 2d since the light traverses the mirrored arm twice. Let N be the number of fringes shifted.

Then, 2d=Nλ and

λ= N 2d = 792

2(0.233×10 −3 m) =588×10 −7m=588 nm

the wavelength is the spatial length of a periodic wave—the gap over which the wave's form repeats. it is the gap between consecutive corresponding points of the same segment at the wave, which includes two adjacent crests, troughs, or zero crossings, and is a characteristic of both visiting waves and status waves, as well as other spatial wave patterns.

The inverse of the wavelength is referred to as the spatial frequency. Wavelength is commonly exact via the Greek letter lambda (λ). The time period wavelength is also on occasion implemented to modulated waves, and to the sinusoidal envelopes of modulated waves or waves shaped by means of interference of numerous sinusoids.

To replace a bright fringe by the next bright fringe in Michelson's Interferometer the moveable mirror is moved through a distance equal to.

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Velocity

i) To replace a bright fringe by the next bright fringe in Michelson's Interferometer the moveable mirror is moved through a distance equal to

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