Find the number of photons emitted per second by a 25 W source of monochromatic light of wavelength `6600 Å`. What is the photoelectric current assuming 3% efficiency for photoelectric effect. Given `h = 6.6 xx 10^(-34) Js`.

Find the number of photons emitted per second by a 25 watt source of monochromatic light of wavelength 6000Å .

Find the number of photons emitted per second by a 40 W source of monochromatic light of wavelength 6000Å . What is the photoelectric current assuming 5% effeciency of photoelectric effect? Given h=6.62xx10^(-34)Js and c=3xx10^(8) ms^(-1),e=1.6xx10^(-19)C

The number of photons emitted per second by a 60W source of monochromatic light of wavelength 663nm is

Find the number of photons emitted per second by a 25 W source of monochromatic light of wavelength 6000overset@ A .

Find the number of photons emitted per second by a 25 W source of monochromatic light of wavelength 6000 oversetcircA .

The number of photons emitted per second by a 62W source of monochromatic light of wavelength 4800 A^(@) is

The number of photons emitted per second by a 60 W source of monochromatic light of wavelength 663 nm is: (h=6.63xx10^(-34)Js )

The number of photons emitted per second by a 60 W source of monochromatic light of wavelength 663 nm is: (h=6.63xx10^(-34)Js )

The number of photons emitted per second by a 60 W source of monochromatic light of wavelength 663 nm is (h= 6.63xx10^(-34) Js)