1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
From the figure describing photoelectric effect, we may infer correctly that
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0
Light of frequency 1015 Hz falls on a metal surface of work function 2.5 eV. The stopping potential of photoelectrons (in V) is
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
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A proton accelerated through a potential V has de-Broglie wavelength $$\lambda$$. Then, the de-Broglie wavelength of an $$\alpha$$-particle, when accelerated through the same potential V is
Questions Asked from Dual Nature of Radiation (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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