An evacuated cell of length 10 cm is placed in one arm of a Michelson interferometer using a 589-nm light source. When m

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An evacuated cell of length 10 cm is placed in one arm of a Michelson interferometer using a 589-nm light source. When m

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An Evacuated Cell Of Length 10 Cm Is Placed In One Arm Of A Michelson Interferometer Using A 589 Nm Light Source When M 1
An Evacuated Cell Of Length 10 Cm Is Placed In One Arm Of A Michelson Interferometer Using A 589 Nm Light Source When M 1 (61.98 KiB) Viewed 55 times
An evacuated cell of length 10 cm is placed in one arm of a Michelson interferometer using a 589-nm light source. When methane gas is allowed to enter the cell, the interference pattern is observed to shift 75 fringes (dark to dark) as the pressure increases to atmospheric value. Calculate the index of refraction of methane. If we remove the evacuated cell, then a shift of 50 fringes will correspond to displacing the movable mirror of the interferometer by what distance.
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