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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 18 - Atoms and Nuclei > A photoelectric material having work-function ϕ0 is illuminated with light of wavelength λ(λ is smaller then hc/ϕ0). The 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

A photoelectric material having work-function ϕ0 is illuminated with light of wavelength λ(λ is smaller then hc/ϕ0). The 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

Beta rays emitted by a radioactive material are.