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Question
Draw a neat labelled diagram of a schematic of the experimental setup for the photoelectric effect.
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Solution
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Can microwaves be used in the experiment on photoelectric effect?
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| Incident wavelength (in Å) | 2536 | 3650 |
| Stopping potential (in V) |
1.95 | 0.5 |
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A metal surface having work function 'w0' emits photoelectrons when photons of energy 'E' are incident on it. The electron enters the uniform magnetic field (B) in perpendicular direction and moves in circular path of radius 'r'. Then 'r' is equal to (m and e be the mass and charge of electron respectively) ____________.
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