Suppose ` 10^(-17) J` of light energy is needed by the human eye to see an object . The no. of photons of green light `(* lambda = 55 0 nm)` needed to see to object are :

Suppose 10^(-17) J of light enrgy is needed by the interor of human eue to see an object . The photons fo green light * lambda = 55 0 nm) needed to see to object are :

Suppose 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=550nm) are needed to generate this minimum amount of energy?

Suppose 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 (lamda=500nm) are needed to generate this minimum amount of energy?

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]

Suppose 10^17 J of energy is needed by the interior of human eye to see an object. How many photons of green light (1 = 550 nm) are needed to generate this minimum amount of energy ?

If 10^(-17)J of energy from monochromatic light is needed by the interior of the human eye to see an object. How many photon of green light lambda = 550nm are needed to generate this min amount of energy ?

Calculate the energy of a photon of blue light, lambda =450 nm in air (or vacuum).