The following observations are made about the photoelectric effect : 1. No electrons are emitted below the threshold frequency 2. Above the threshold frequency, the energy of the emitted electrons depends only on the frequency of light 3. Increasing the intensity of the light increases the number of emitted electrons Which, if any, of these observations can be explained by a wave theory of light? A B C D All of them 1 and 2 only 2 and 3 only None of them
The following observations are made about the photoelectric effect : 1. No electrons are emitted below the threshold frequency 2. Above the threshold frequency, the energy of the emitted electrons depends only on the frequency of light 3. Increasing the intensity of the light increases the number of emitted electrons Which, if any, of these observations can be explained by a wave theory of light? A B C D All of them 1 and 2 only 2 and 3 only None of them
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Transcribed Image Text:The following observations are made about the photoelectric effect :
1. No electrons are emitted below the threshold frequency
2. Above the threshold frequency, the energy of the emitted electrons
depends only on the frequency of light
3.
Increasing the intensity of the light increases the number of emitted
electrons
Which, if any, of these observations can be explained by a wave theory of
light?
A
B
C
D
All of them
1 and 2 only
2 and 3 only
None of them
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