Using a block of a transparent unknown material it is found
Using a block of a transparent, unknown material, it is found that a beam of light inside the material becomes totally internally reflected at the air-block interface at an angle of 48°. What is its index of refraction?
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using a block of a transparent unknown material it is found that a beam of light inside the material becomes totally
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a compound has a molar mass of 1101gmol and a composition of 6545c 545 h and 2909 o calculate the molecular formula of
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