Assume that `10^(-17)`J of light energy is needed by the interior of the human eye to see an object
Channel: Doubtnut
Date: 19/04/2020

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]`