Sign in
Please select an account to continue using cracku.in
↓ →
Ultraviolet light of wavelength 300 nm and intensity $$1\ \text{W/m}^2$$ falls on the surface of a photosensitive material. If one percent of the incident photons produce photoelectrons then the number of photoelectrons emitted per second from an area of $$1\ \text{cm}^2$$ of the surface is nearly
Educational materials for JEE preparation