A photoelectric material having work function ϕ_0 is illuminated with light of wavelength \lambda(\lambda < {hc/ϕ_0) fastest photoelectron has a de Broglie wavelength \lambda_d.A change in wavelength of the incident light by \Delta\lambda results in a change \Delta\lambda_d in \lambda_d. Then the ratio \frac{\Delta\lambda_d}{\Delta\lambda} is proportional to : [JEE Adv 2017 P2]

JEE Advanced 2017 Paper 2

Section: Physics

Question : 1 of 54

Marks: +1, -0

A photoelectric material having work function ϕ0 is illuminated with light of wavelength λ(λ<h

ϕ0

) fastest photoelectron has a de Broglie wavelength λd.A change in wavelength of the incident light by Δλ results in a change Δλd in λd. Then the ratio

Δλd

Δλ

is proportional to :

[JEE Adv 2017 P2]

λd3
λ2
λd2
λ2
λd
λ
λd3
λ

Validate

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