The number of photons of wavelength `540 nm` emitted per second by an electric bulb of power `100 W` is (taking `h = 6 xx 10^(-34) sec`)

Number of photons of wavelength 600 nm, emitted per second by an electric bulb of power 60 W is (Take h = 6 x 10^-34 Js )

The number of Photons of wavelength 660 nm emitted per second by an electric bulb of 60 W is ..... (Take h= 6.6 xx 10^(-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)

Find the number of photons emitted per second by a source of power 25W. Assume, wavelength of emitted light = 6000Å. h = 6.62 xx 10^(-34)J.s

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

A 2 mW laser operates at a wavelength of 500 nm. The number of photons that will be emitted per second is: [Given Planck’s constant h = 6.6 xx 10^(-34)Js , speed of light c = 3.0 xx 10^(8) m//s ]