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1
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statement is correct?

A
The rest mass of the stable nucleus is less than the sum of the rest masses of its separated nucleons.
B
The rest mass of the stable nucleus is greater than the sum of the rest masses of its separated nucleons.
C
In nuclear fission energy is released by fusion of two nuclei of medium mass (approximate $$100 \mathrm{~amu}$$ ).
D
In nuclear fission energy is released by fragmentation of very low atomic mass nucleus.
2
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Potential energy between a proton and an electron is given by $$U=\frac{K e^2}{3 R^3}$$, then radius of Bohr's orbit can be given by

A
$$\frac{K e^2 m}{h^2}$$
B
$$\frac{6 \pi^3 K e^2 m}{n^3 h^2}$$
C
$$\frac{2 \pi}{n} \frac{K e^2 m}{h^2}$$
D
$$\frac{4 \pi^2 K e^2 m}{n^3 h^2}$$
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