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If an electric bulb is rated as 100w and it radiates yellow light only having frequency v = 1o raised to 14 hz Calculate the number of photons radiated by the bulb in 1 min ??

If an electric bulb is rated as 100w and it radiates yellow light only having frequency v = 1o raised to 14 hz
Calculate the number of photons radiated by the bulb in 1 min ??

Grade:11

1 Answers

AskiitianExpert Shine
10 Points
12 years ago

Hi

E(energy of one photon) = hv   h=planck's constant     v=frequency

therefore 100W = n x h x v , n= no. of photons radiated in 1 sec

Then multiply n with 60 to calculate photons radiated in one minute.

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