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1.long answer in 250 words . Describe the construction and principle of a planetransmission grating and explain the formation of spectrum by it. |
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Answer» iffraction grating consists of a number of parallel and equidistant lines ruled on an OPTICALLY plane and parallel GLASS plate by a FINE DIAMOND point. Each ruled line behaves as an OPAQUE line while the transparent portion between two consecutive ruled lines behaves as a slit.Explanation:please mark me as BRAINLIEST ANSWER and please be my follower and give me lot of thanks ❤️ |
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