1
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0
A metal surface is illuminated with photons of energies $E_1=4 \mathrm{eV}$ and $E_2=2.5 \mathrm{eV}$ respectively. The ratio of maximum speeds of the photoelectrons in two cases is 2 . Work function of metal surface will be
2
VITEEE 2023
MCQ (Single Correct Answer)
+1
-0
When $${ }_{92} \mathrm{U}^{235}$$ undergoes fission, $$0.1 \%$$ of its original mass is changed into energy. How much energy is released if $$5 \mathrm{Kg}$$ of $${ }_{92} \mathrm{U}^{235}$$ undergoes fission?
3
VITEEE 2023
MCQ (Single Correct Answer)
+1
-0
The de-Broglie wavelength of a proton $$\left(m=1.67 \times 10^{-27} \mathrm{~kg}\right)$$ acclerated through a potential difference of $$2 \mathrm{~kV}$$ is
4
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0
In which of the following photoelectric effect is not observed?
Questions Asked from Dual Nature of Radiation (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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