The wavelength of beam of light in air is 3750 Å. Find the number of waves of the beam in 10 cm of glass. Also find the time required by the beam to pass through 10 cm of glass refractive index 1.5 (Velocity of light in air = 3 x 10° m/s) %3D

The wavelength of beam of light in air is 3750 Å. Find the number of waves of the beam in 10 cm of glass. Also find the time required by the beam to pass through 10 cm of glass refractive index 1.5 (Velocity of light in air = 3 x 10° m/s) %3D

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Question

The wavelength of beam of light in air
is 3750 Å. Find the number of waves of the
beam in 10 cm of glass. Also find the time
required by the beam to pass through 10 cm of
glass refractive index 1.5 (Velocity of light in
air = 3 x 10° m/s)

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