1.

The eye can detect 5×104 photons per square meter per second of green light (λ=5000 ˚A) while the ear can detect sound of intensity 10−13 Wm−2. Find the factor by which the eye is more sensitive as a power detector than the ear-

Answer»

The eye can detect 5×104 photons per square meter per second of green light (λ=5000 ˚A) while the ear can detect sound of intensity 1013 Wm2. Find the factor by which the eye is more sensitive as a power detector than the ear-



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