Back to 7.6 Conservation of Energy

7.6 Exercise 16

Avg difficulty 2.5

Using values from the table, how many DNA molecules could be broken by the energy carried by a single electron in the beam of an old-fashioned TV tube? (These electrons were not dangerous in themselves, but they did create dangerous x rays. Later model tube TVs had shielding that absorbed x rays before they escaped and exposed viewers.)

OpenStax College Physics 2e, 7.6 Conservation of Energy, exercise 16

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.