Calculate no of photons passing through a ring of unit area in unit time if light of intensity 100 wm -2 and wavelength  400nm is fallingnormally on the ring 

Asked by manasvijha | 19th Mar, 2019, 07:17: PM

Expert Answer:

Solution is attached 

Answered by Ankit K | 19th Mar, 2019, 11:01: PM