Monochromatic light of frequency `6xx10^(14)Hz` is produced by a laser. The power emitted is `2xx10^(-3)` W.
The number of photons emitted per second is
`("Given h"=6.63xx10^(-34)Js)`

Monochromatic light of frequency 6.0xx10^(14)Hz is produced by a laser. The power emitted is 2xx10^(-3)W . The number of photons emitted, on an average, by the source per second is nxx10^(15) where n is an integer. Find the value of n?

(i) Monochromatic light of frequency 6.0xx10^(14) Hz is produced by a laser . The power emitted is 2.0xx10^(-3) W . Estimate the number of photons emitted per second on an average by the source. (ii) Draw a plot showing the variation of photoelectric radiation on a given photosensitive surface.

Monochromatic light of frequency 5.0xx10^(14)Hz is produced by a laser. The power emitted is 3.0xx10^(-3)W . Estimate the number of photons emitted per second on an avearge by the source. Given h=6.62xx10^(-34)Js