Urgent!!!. C. 9. The following graph shows Millikan's data for Vaop...
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Urgent!!!. C. 9. The following graph shows Millikan's data for Vaop...
Urgent!!!
Image transcription text
C.
9. The following graph shows Millikan's data for
Vaop
(V)
determining the threshold frequency for a given
material by varying the frequency of the incident
3
light. Which of the following will change the threshold
frequency, fo?
2
a. Use a different metal
b. Increase the light intensity
C. Increase the light frequency
0
-f(X 10#4 Hz)
0
2
4
6
8 10 12
d. Decrease the light intensity
fo = 4.39 X 1014 Hz
e. Decrease the light frequency
10. If an astronaut who has only aged 3 years returns to Earth 15 years later, how fast was his ship travelling?
a. 0.20 c
b. 0.45c
C. 0.50 c
d. 0.98c
e. 1.02 c...
Answer & Explanation
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Answered by Physicsansweringmachine on coursehero.com
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