nuclear physics and conductivity - Category wise Question and Answer Practice Test with Solutions

Question : 26 [UPPCS (Pre) 1992]

What is Nuclear Reactor?

a) The emitter of U238

b) Heavy water pond

c) Place where atomic bomb is built

d) Molecular furnace

Question : 27 [IAS (Pre) 2001]

Match List-I with List-II and select the correct answer using the code given below the lists.

a) 2 1 4 2

b) 3 1 2 4

c) 1 2 3 4

d) 2 3 4 1

Question : 28 [BPSC (Pre) 1997]

What is the source of electrical energy in an artificial satellite?

a) Dynamo

b) Mini nuclear reactor

c) Solar cells

d) Thermopile

Question : 29 [BPSC (Pre) 1994]

Enriched Uranium is

a) Mixture of natural uranium and thorium

b) Natural uranium in which radioactive U235 isotope is increased artificially

c) Uranium sticks laid in particular shell

d) Chromium coated uranium sticks

Question : 30 [UPPCS (Mains) 2015]

The resistance of a semi-conductor on heating

a) Decreases

b) Increases

c) Remains constant

d) None of the above