1
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1
The stopping potential (V0) versus frequency $$\nu $$ of a graph for photoelectric effect in a metal. From the graph, the Plank's constant (h) is
2
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1
The de-Broglie wavelength of an electron moving with a velocity $$\frac{c}{3}$$ (c = 3 $$\times$$ 108 m/s) is equal to the wavelength of photon. The ratio of the kinetic energies of electron and photon is
3
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1
The potential difference applied to an X-ray tube is decreased. As a result, in the emitted radiation,
4
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
Lights of two different frequencies whose photons have energies 1.5 eV and 2.5 eV respectively illuminate a metallic surface whose work function is 0.5 eV successively. Ratio of maximum speeds of emitted electrons will be
Questions Asked from Dual Nature of Radiation (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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