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Eye detects the green light (lambda = 50...

Eye detects the green light `(lambda = 5000 overset@A), 5 xx 10^4` photons per square metre per second and the ear can detect `10^-13` watt per square metre. In form of power detector, the eye is sensitive in comparison to the ear by

A

2 times

B

3 times

C

4 times

D

5 times.

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