Question

2. The velocity of most energetic electron emitted
from a metallic surface is tripled when the
frequency v of the incident radiation is doubled.
The work function of this metal will be (h is
Planck's constant)
1. 5hv/8
2. 3hv/8
3. 7hv/8
4. HV/4
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Answer 1

Answer:

4. HV/4

Explanation:

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Answer 2

Explanation:

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