A soap film of refractive index 1.43 is illuminated by white light incident at an angle of 30°. The refracted light is examined by a spectroscope in which dark band corresponding to -7 wavelength 6 ×10 ´ m in observed. Calculate thickness of the film?
A soap film of refractive index 1.43 is illuminated by white light incident at an angle of 30°. The refracted light is examined by a spectroscope in which dark band corresponding to -7 wavelength 6 ×10 ´ m in observed. Calculate thickness of the film?
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soap
film of refractive index 1.43 is illuminated by white light incident at an angle of 30º.
The refracted light is examined by a spectroscope in which dark band corresponding to
-7
wavelength 6 ×10 ' m in observed. Calculate thickness of the film?
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