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PhysicsModern PhysicsPhotoelectric effectMedium2 minQB

PhysicsMediumsingle choice

Statement-1: When a beam of white light passes through a transparent prism kept in air, red light deviates less than violet light.

Answer:

Solution:

Normal dispersion gives $μ_{red} < μ_{violet}$ , so red deviates less

$p = \frac{h}{λ}$

and $λ_{red} > λ_{violet}$ Red photons have less momentum Statement 1 is true, statement 2 false

Stream:JEESubject:PhysicsTopic:Modern PhysicsSubtopic:Photoelectric effect

⏱ 2mℹ️ Source: QB

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