A 150 Watt bulb emits light of wavelength 6600 Å and only 8% of the energy is emitted as light. How many light photons are emitted by the bulb per second? (A) 4 × 10 (B) 3.24 × 10 (C) 4.23 × 10 (D) 3

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Question

A 150 Watt bulb emits light of wavelength 6600 Å and only 8% of the energy is emitted as light. How many light photons are emitted by the bulb per second?

(A) 4 × 10
(B) 3.24 × 10
(C) 4.23 × 10
(D) 3 × 10

Prashant Kotian · Accepted Answer

Correct answer: A

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