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Physics - Modern Physics Question with Solution | TestHub

PhysicsModern PhysicsPhotoelectric effectEasy2 minPYQ_2020

PhysicsEasysingle choice

A ratio transmitter operates at a frequency $880 kHz$ and a power of $10 kW$ . The number of photons emitted per second is

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Answer:

Solution:

Number of photons emitted per second,

$n = \frac{P o w e r}{E n e r g y o f p h o t o n} = \frac{P}{h v}$

$= \frac{10000}{6.6 \times 10^{- 34} \times 880 \times 10^{3}} = 1.72 \times 10^{31}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Modern PhysicsSubtopic:Photoelectric effect

⏱ 2mℹ️ Source: PYQ_2020

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