A glass plate 2.50 mm thick, with an index of refraction of 1.40, is placed between a point source of light with wavelength 540 nm (in vacuum) and a screen. The distance from source to screen is 1.80 cm. How many wavelengths are there between the source and the screen?
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A: To explain the correct answer is given below,
A glass plate 2.50 mm thick, with an index of refraction
of 1.40, is placed between a point source of light with wavelength
540 nm (in vacuum) and a screen. The distance from source to screen is
1.80 cm. How many wavelengths are there between the source and the
screen?
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