Caculate the number of photons emitted per second by a 10 watt sodium
Channel: Doubtnut
Date: 02/08/2020

Caculate the number of photons emitted per second by a 10 watt sodium vepour lamp. Assume tha t 90% of the consumed energy is converted into light. Wavelength of sodium light is 590nm. `h=6.62xx10^(-34)Js`