ifos • paper_1 • waves_oscillations
[UPSC IFoS 2023] Interference (Q175, 6M)
In the above experiment, a shift of 100 fringes is obtained when all the gas is removed from the tube. Calculate the refractive index of the gas if the wavelength of light used is 6000\text{ \AA} and the length of the tube is 10\text{ cm}.
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