A red bulb and violet bulb of equal power emits `n_(R )` and `n_(v)` number of photons in a given time, then

If N_(red) and N_(Blue) are the numbers of photons emitted by respective sources of equal power and equal dimensions in unit time, then

If n_(r ) and n_(b) are the number of photons of red and blue light respectively with same energy, then

A 200 W bulb emits monochromatic light of wavelenght 1400 A and only 10% of the energy is emitted as light. The number of photons emitted by the bulb per second will be

A 200 watt bulb emits mono chromatic light of wave lenth 400 nm. Calculate the number of photons emitted per sec by the bulb.

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.

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.

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.

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.