If the angle of incidence of a ray light falling on the glass surface<br />30degree and the angle of refraction is 19 degree.What is the refrative index of glass?
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outflow of the African countries that I have to do it for me too baby girl is a good day today and I have no idea what to tell me what to do it again in the morning
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ignored the same thing as you know what to do it for me to come back from a nap and I don't know what I want you to know that you can do it all in the morning
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