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	The number of protons inside a nucleus is called	A. mass number B. atomic weight C. atomic number D. none of these
2	Neutron was discovered in	A. 1915 B. 1920 C. 1925 D. 1932
3	Structure of the nucleus was explained by	A. J.J Thomson B. Bohr C. Millikan D. Rutherford
4	U-238 present in the natural uranium is about:	A. 59% B. 0.007% C. 99% D. 39%
5	Nucleon means:	A. Only electrons B. Only neutrons C. Only protons D. Both (A ) and (C)
6	Curie is a unit of	A. reluctance B. resistivity C. binding energy D. radioactivity
7	When a charged particle passes through matter, it produces ionization, this effect is used in	A. fission reaction B. reactor C. radiation detector D. fusion reaction
8	Radioactivity	A. is exhibited more by semiconductors in general B. in exhibited more by the element when they are coupled C. with other radioactive elements by a covalent bond D. is an atomic property of radioactive elements
9	Nucleus of a hydrogen atom may contain:	A. One neutron only B. Two protons and one neutron C. Two protons and two neutrons D. Aany of above
10	The amount of energy equivalent to 1 a.m.u is	A. 9.315 Mev B. 93.15 Mev C. 931.5 Mev D. 2.22 Mev