A light bulb consumes 15 W of power. 10 W is lost as heat energy. The – InterviewSolution

1.	A light bulb consumes 15 W of power. 10 W is lost as heat energy. The bulb emits the number of photons per second is 1.26×1019 s−1. The wavelength of the light is (nearly)[Use hc=1240 eV nm]
Answer» A light bulb consumes $15 W$ of power. $10 W$ is lost as heat energy. The bulb emits the number of photons per second is $1.26 \times 10^{19} s^{- 1}$ . The wavelength of the light is (nearly) $[Use h c = 1240 eV nm]$

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