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Q.

The energy associated with one photon of wavelength 3000 A°  is

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a

6.63×10-20J

b

3.73×10−16J

c

5.42×10−19J

d

3.73×10−19J

answer is B.

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Detailed Solution

E=hCλ =6.626×10-34×3×1083000×10-9 =6.626×10-20 J

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