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A source of gamma quanta is placed at a height h = 20 m above an absorber.

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A source of gamma quanta is placed at a height h = 20 m above an absorber. With what velocity should the source be displaced upward to counterbalance completely the gravitational variation of gamma quanta energy due to the Earth's gravity at the point where the absorber is located?
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For maximum resonant absorption the absorbing nucleus must be moving with e...View the full answer


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Fundamentals of Physics

Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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