An ordinary 30 v flashlight bulb draws roughly 025 a of

Reference no: EM13384757

An ordinary 3.0 V flashlight bulb draws roughly 0.25 A of current and converts about 1.0% of the electrical power into light (λ = 550 nm). If the flashlight beam initially has a cross-sectional area of 10 cm2:

(a) How many photons are emitted per second?

(b) How many photons are found in a cubic meter of the beam?

Reference no: EM13384757

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