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If a photocell is illuminated with a rad...

If a photocell is illuminated with a radiation of `1240 A`, then stopping potential is found to be 8 V. The work function of the emitter and the threshold wavelength are

A

`1eV, 5200 Å`

B

`2eV, 6200 Å`

C

`3eV, 7200 Å`

D

`4eV, 4200 Å`

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-MODERN PHYSICS -1-EXERCISE-1
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  15. The radius of Bohr's first orbit is a(0) . The electron in n^(th) orbi...

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