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Free Online Mock Physics Multiple Choice Test on Atomic Nuclearphysics

Sub Category : Atomic Nuclearphysics

Test : 9

Time Left :

1)	Three fourth of the active material decays in a radioactive sample in 3/4 sec. The half life of the sample is (1) 1/2 sec (2) 1 sec (3) 3/8 sec (4) 3/4 sec
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2)	During mean life of a radioactive element, the fraction that disintegrates is (1) e (2) 1/e (3) (e-1)/e (4) e/(e-1)
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3)
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4)	In atom bomb, the reaction which occurs is (1) Fusion (2) Controlled fission (3) Uncontrolled fission (4) Thermonuclear
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5)	Moderator used in nuclear reactor is (1) Ice (2) Boron rods (3) Cadmium rods (4) Heavy water
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