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Two laser beams one of wave length 640 nm and the other 400 nm have same unit flux of photons. Their powers are in the ratio a) 64:40 b) 1:1 c) 5:8 d) 25:64

Two laser beams one of wave length 640 nm and the other 400 nm have same unit flux of
photons. Their powers are in the ratio
a) 64:40 b) 1:1 c) 5:8 d) 25:64

Grade:Upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10336 Points
2 years ago
Vikas TU
14149 Points
2 years ago
 
Two laser beams one of wave length 640 nm and the other 400 nm have same unit flux of
photons. Their powers are in the ratio
                   ans (c)

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