In one joule of energy, the number of photons with have number equal to x is

In one joule of energy, the number of photons with wave number equal to x is

Light of wavelength 5000 Å falls on a sensitive surface. If the surface has received 10 ^( -7) joule of energy, then what is the number of photons falling on the surface ?

Calculate the wavelength, wave number and frequency of photon which has energy equal to 3 eV.

Isotones have equal number of

In the question number 48, the energy of photon in eV at the red of the visible spectrum is

In the question number 48, the energy of photon in eV at the red of the visible spectrum is

A photon will have less energy if its

A photon will have less energy if its

Find the wave number of a photon having energy of 2.072 eV.