A photoelectric material having work-function φ 0 is illuminated with light of wavelength…
Physics · JEE Advanced · NTA Exams — Dual Nature of Matter and Radiation
A photoelectric material having work-function φ0 is illuminated with light of wavelength λ 
. 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
. 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- l3d/l
- l3d/l2
- l2d/l2
- ld/l
Answer
(B) l 3 d / l 2
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