ECAT Pre Computer Science Chapter 21 MCQ Test With Answer

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

Sr.#	Question	Answer
1	Binding energy per nucleus is	A. greater for heavy nucleus B. least for heavy nucleus C. greatest for light nuclei D. decreases for medium weight niclei
2	The unit of decay constant is:	A. Second B. Metre C. Hour D. Year
3	The mass of the nucleus is always less than the total man of the protons and neutron that make up the nucleus. The difference of the two masses is called	A. nuclear fission B. nuclear fusion C. man defect D. radioactivity
4	A pair of quark and antiquark makes a:	A. Meson B. Baryon C. Proton D. Neutron
5	In radio-active decay, the original element which disintegrate to another element is called	A. element B. daughter element C. parent element D. none of these
6	Structure of the nucleus was explained by	A. J.J Thomson B. Bohr C. Millikan D. Rutherford
7	The missing mass which is converted to energy in the formation of nucleus, is called	A. packing fraction B. mass defect C. binding energy D. none of these
8	The chemical properties of all the isotopes of an elements are	A. same B. different C. slightly different D. none of these
9	Neutron was discovered by	A. Curie B. Roentgen C. Chadwick D. Rutherford
10	The counter, which also provides the power to the G.M. tube is called:	A. Thin mica window B. thin glass window C. Airy window D. Wooden window