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Assume that 10^(-17)J of light energy is...

Assume that `10^(-17)`J of light energy is needed by the interior of the human eye to see an object . How many photons of green light `(lambda = 495nm)` are needed to generate this minimum energy .
`[h=6.6xx10^(-34) Js]`

A

25

B

30

C

45

D

60

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