Physics - Modern Physics Question with Solution | TestHub
PhysicsModern PhysicsPhotoelectric effectMedium2 minQB
PhysicsMediummultiple choice
A mirror is hanging by a light string of length 1 from ceiling. A light pulse of monochromatic light rays is incident normally on the mirror and gets reflected. Which of the following statements is/are correct ?
Options:(select one or more)
Answer:
A, B
Solution:
Reflection gives an impulse to the mirror and starts oscillation The receding mirror gains energy; reflected photons lose energy Their frequency decreases and wavelength increases For fixed pulse energy, the leading impulse is wavelength-independent
Stream:JEESubject:PhysicsTopic:Modern PhysicsSubtopic:Photoelectric effect
⏱ 2mℹ️ Source: QB
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