Question:
5 A parallel beam of light 2 5890 A is incident on thin
Last updated: 6/10/2023
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5 A parallel beam of light 2 5890 A is incident on thin glass plate u 1 5 such that the abgle of refraction into the plate is 60 Calculate the smallest thickness of the glass plate which will appear dark by reflection Ans 3 926x10 5 cm