How many 50%-absorption layers are there in the plate reducing the intensity of a narrow X-ray beam

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How many 50%-absorption layers are there in the plate reducing the intensity of a narrow X-ray beam η = 50 times?

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General Chemistry

ISBN: 978-1439043998

9th edition

Authors: Darrell Ebbing, Steven D. Gammon

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Question Posted: Aug 19, 2010 12:36 AM

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How many 50%-absorption layers are there in the plate reducing the intensity of a narrow X-ray beam

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General Chemistry

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