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	Which of these is not a radiation detector	A. Wilson cloud chamber B. cyclotron acceleration C. Geiger Miller counter D. solid state detector
2	If 'V' is the relativistic speed and 'C' is the speed of light then according to Einstien the factor V/C must always be	A. Equal to 1 B. Less than 1 C. Greater than 1 D. Infinity
3	β-particles are easily deflected by collisions than heavy	A. α-particles B. β-particles C. γ-particles D. none of these
4	For an atom having atomic number Z and atomic weight A, the charge on the nucleus is	A. A - Z B. A + Z C. Z D. A
5	A pair of quark and antiquark makes a:	A. Meson B. Baryon C. Proton D. Neutron
6	The unit of decay constant is:	A. Second B. Metre C. Hour D. Year
7	1 amu is equal to.	A. 1.66 x 10^-24kg B. 1.66 x 10^-19kg C. 1.66 x 10^-24kg D. 1.66 x 10^-27kg
8	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
9	When a nucleus emits an alpha particles, its charge number decreases by	A. 3 B. 2 C. 6 D. 5
10	The emission of radiations take place in elements, having charge number greater than	A. 109 B. 82 C. 69 D. 52