If a source of power `4 kW` produces `10^(20)` photons`//`second, the radiation belongs to a part of the spectrum called:

If a source of power 4 kW produces 10^(20) photons per second,the radiatoin belongs to a part of the spectrum called

If a source of power 4 kW produces 10^20 photons per second, the radiation belongs to a part of spectrum called

If the source of power 4 kW produces 10^(20) photons/second , the radiation belongs to a part spectrum called

If the source of power 4 kW product 10^(20) photons //second , the radiation belongs to a part spectrum called

If the source of power 4 kW product 10^(20) photons //second , the radiation belongs to a part spectrum called

If a source of power 8 kW producees 10^(22) photons/ second, the wavelength of the radiation is

4.4 keV radiations belong to the spectrum portion of

A light source of wavelength 520nm emits 1.04 xx 10^(15) photons per second while the second source of 460nm produces 1.38 xx 10^(15) photons per second. Then the ratio of power of second source to that of first source is

A light source of wavelength 520 nm emits 1.04 xx 10^(15) photons per second while the second source of 460 nm produces 1.38 xx 10^(15) photons per second. Then the ratio of power of second source to that of first source is………………