ECAT Pre Engineering Physics Chapter 21 MCQ Test With Answer

Top Scorers Of Physics ECAT Pre Engineering Chapter 21 Nuclear Physics MCQ`s Test

Sr.#	Question	Answer
1	Referring to the above figure, the binding energy per nucleon increases upto mass number equal to:	A. 50 B. 100 C. 150 D. 200
2	Neutrons are	A. positive charge B. negatively charged C. massless D. neutral
3	A pair of quark and antiquark makes a:	A. Meson B. Baryon C. Proton D. Neutron
4	Mass of proton is of order of	A. 10^-31gm B. 10^-27kg C. 10^-24gm D. 10⁺²⁷kg
5	The energy is found from Einstein's mass energy relation is called	A. binding energy of electron B. binding energy of proton C. binding energy of neutron D. binding energy of nucleus
6	The number if neutrons in the nucleus of ₉₂U²³⁵are	A. Infinite B. 92 C. 235 D. 143
7	If a nucleus emits an alpha particle, its mass number decreases by 4 while charge number decreased by	A. -4 B. 4 C. 2 D. 1
8	The emission of radiations take place in elements, having charge number greater than	A. 109 B. 82 C. 69 D. 52
9	Curie is a unit of	A. reluctance B. resistivity C. binding energy D. radioactivity
10	The number of protons inside a nucleus is called	A. mass number B. atomic weight C. atomic number D. none of these