A bulb lamp emits light of mean wavelength of `4500A`. The lamp is rated at `150W` and `8%` of the energy appears as emitted light. How many photons are emitted by the lamp per second?

A bulb emits light of wavelength 4500Å . The bulb is rated as 150 watt and 8% ofthe energy is emitted as light. How many photons are emitted per sec?

A bulb emits light of wavelength 4500A^@ .The bulb is rated as 150 watt and 8% of the energy is emitted as light.how many photons are emitted by the bulb per second?

A lamp mainly emits light of wavelength lambda . The lamp is rated at P watt and 8% of the energy is emitted as visible light. (i) How many photons of light are emitted by the lamp per second? (ii) How many photons are falling per second on a square whose length of each side is a, held perpendicular to the incident photons at a distance r from the lamp.

A bulb emits light of wavelength 4500Å .The bilb is nrated as 150 and 8% of the energy is emmitted as light .How amny photon are emitted by the bulb per second?

A bulb emits light of 4500 Å . The bulb is rated as 150 watt and 9 % of the energy is emited as light . How many photons are emitted by the bulb per second ?

A blube emits light of lambda = 4500 Å . The bulb is rated as 150 watt and 8% of the energy is emitted as light. Number of photons emitted by bulb per second is : ["Take" hc = 12400 eVÅ]