Is it always true that for two sources of equal intensity, the number of photons emitted in a given time are equal?

Is it necessary to have two waves of equal intensity to study interfrence pattern? Will there be an effect on clarity if the waves have unequal intensity?

Two monochromatic beams , one red and the other blue, have the same intensity. In which case the number of photons per unit area per second is larger.

A radio transmitter operates at a frequency 1000 KHz and a power of 66 kw. Find the number of photons emitted per second

Isotones have equal number of

A 150 W lamp emits light of mean wavelength of 5500Å . If the efficiency is 12% , find out the number of photons emitted by the lamp in one second.

Let n_r and n_b be respectively the number of photons emitted by a red bulb and a blue blub of equal power in a given time.

A hydrogen atom in state n = 6 makes two successive transition and reaches the ground state in the first transition a photon of 1.13eV is emitted (a) Find the energy of the photon emitted in the second transition (b) what is the value of n in the intermediate state?

Two bodies A and B having equal surface areas are maintained at temperatures 10^(@)C . And 20^(@)C . The thermal radiation emitted in a given time by A and B are in the ratio