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Class 12 NEET Physics Electromagnetic Waves Questions

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Question : 12

Total: 50

An electromagnetic wave of wavelength ' λ ' is incident on a photosensitive surface of negligible work function. If ' m ' mass is of photoelectron emitted from the surface has de-Broglie wavelength λd, then

λ=(
2m
hc
)λd2
λd=(
2mc
h
)λ2
λ=(
2mc
h
)λd2
λ=(
2h
mc
)λd2

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