Matric Part 2 Physics chapter 18 online mcq test with answers for 10th class chemistry unit 18 (Information Technology)

Physics 10th Class English Medium Unit 9 Online Test

Sr. #	Questions	Answers Choice
1	When a heavy nucleus splits into, lighter nuclei, the process would .	Release nuclear energy Absorb nuclear energy Release chemical energy Absorb chemical energy
2	Release of energy by the sun is due to	Nuclear fission Nuclear fusion Burning of gases Chemical reaction
3	When a uranium (92 protons) ejects a beta particle, how many protons are left in the remaining nucleus?	92 protons 91 protons 93 protons 89 protons
4	What happen to the atomic number of an element which emits one alpha particle and a beta particles.	Increases by 1 Stay the same Decrease by 2 Decrease by 1
5	One of the isotopes of uranium is²³⁸U₉₂the number of neutrons in the isotopes is.	92 146 238 330
6	isotopes are atom of same element with different.	Atomic mass Atomic number Number of proton Number of electron
7	The process of breaking a heavy nucleus after the bombardment of neutrons into two small nuclei is called:	Nuclear fission reaction Nuclear fusion reaction Nuclear Radiation Nuclear chain reaction
8	Which element is used to locate the ulcer in brain?	Iodine-131 Phosphorus-32 Carbon-14 Potassium-40
9	Which element is used for the monitoring of thyroid glands?	Iodine- 131 Phosphorus-32 Carbon-14 Potassium-40
10	The half life of radium - 226 is 1620 years. If N is its total amount then after the four half lives, its left amount will be:	1/2 N 1/4 N 1/8 N 1/16 N
11	The phenomenon in which radiations convert the matter into positive and negative ions is called:	Radio activity Excitation Ionization Electrolysis
12	The symbol of alpha particles is:	4AHe 42He 0-1B 00Y

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