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KCET 2025
MCQ (Single Correct Answer)
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If we consider an electron and a photon of same de-Broglie wavelength, then they will have same
2
KCET 2025
MCQ (Single Correct Answer)
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-0
The anode voltage of a photocell is kept fixed. The frequency of the light falling on the cathode is gradually increased. Then the correct graph which shows the variation of photo current I with the frequency $v$ of incident light is
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B
C
D
3
KCET 2024
MCQ (Single Correct Answer)
+1
-0
Light of energy $E$ falls normally on a metal of work function $\frac{E}{3}$. The kinetic energies $K$ of the photo electrons are
4
KCET 2024
MCQ (Single Correct Answer)
+1
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The photoelectric work function for photo metal is 2.4 eV . Among the four wavelengths, the wavelength of light for which photoemission does not take place 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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