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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
2
KCET 2024
MCQ (Single Correct Answer)
+1
-0
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
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KCET 2023
MCQ (Single Correct Answer)
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A 60 W source emits monochromatic light of wavelength 662.5 nm. The number of photons emitted per second is
4
KCET 2023
MCQ (Single Correct Answer)
+1
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In an experiment to study photoelectric effect the observed variation of stopping potential with frequency of incident radiation is as shown in the figure. The slope and $$y$$-intercept are respectively
Questions Asked from Dual Nature of Radiation (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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