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Q.

The maximum velocity of an electron emitted by light of wavelength λ incident on the surface of a metal of work function W0  is

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a

2hc+λW0mλ1/2

b

2hc−λW0m

c

2hc−λW0mλ1/2

d

2hc−W0m1/2

answer is C.

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Detailed Solution

12mv2=hcλ−W0 or 12mv2=hc−λW0λ V=2hc−λW0λm1/2
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