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Dual Nature Of Radiation

JEE Main 2023 (Online) 29th January Morning Shift

MCQ+4 / -12023

The threshold wavelength for photoelectric emission from a material is 5500 \(\mathop A\limits^o\). Photoelectrons will be emitted, when this material is illuminated with monochromatic radiation from a


A. 75 W infra-red lamp


B. 10 W infra-red lamp


C. 75 W ultra-violet lamp


D. 10 W ultra-violet lamp


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