11. During Einstein's Photoelectric Experiment, what changes are observed when the frequency of the incide radiation is increased? A. The value of saturation current increases C. The value of stopping potential decreases D. No effect B. The value of stopping potential increases 12. A radioactive source has a half-life of 80 s. How long will it take for 7/8 of the source to decay? А. 10 s В. 70 s С. 240 s D. 640 s 13. Who is responsible for the model of the atom where electrons travel in specific paths or orbits around ti nucleus? A. Einstein В. Bohr C. Planck D. Dalton
11. During Einstein's Photoelectric Experiment, what changes are observed when the frequency of the incide radiation is increased? A. The value of saturation current increases C. The value of stopping potential decreases D. No effect B. The value of stopping potential increases 12. A radioactive source has a half-life of 80 s. How long will it take for 7/8 of the source to decay? А. 10 s В. 70 s С. 240 s D. 640 s 13. Who is responsible for the model of the atom where electrons travel in specific paths or orbits around ti nucleus? A. Einstein В. Bohr C. Planck D. Dalton
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter30: Atomic Physics
Section: Chapter Questions
Problem 56PE: Integrated Concepts In a Millikan oil-drop experiment using a setup like that in Figure 30.9, a...
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