The electrons in a cathode-ray tube are accelerated through a 250 V potential difference and then shot
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The electrons in a cathode-ray tube are accelerated through a 250 V potential difference and then shot through a 33-nm diameter circular aperture. What is the diameter of the bright spot on an electron detector 1.5 m behind the aperture?
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Related Book For
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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