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If 10^(-17)J of energy from monochromati...

If `10^(-17)J` of energy from monochromatic light is needed by the interior of the human eye to see an object. How many photon of green light `lambda = 550nm` are needed to generate this min amount of energy ?

A

27

B

28

C

29

D

30

Text Solution

Verified by Experts

The correct Answer is:
B

`E = n.(hc)/(lambda)`
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