set 3 MCQ Questions & Answers Detailed Explanation

Question : 1

The newly discovered high temperature super conductors are

a) Pure rare earth metals

b) Ceramic oxides

c) Metal alloys

d) Inorganic polymers

Question : 2

Which one of the following atomic plants of India is located in the IV Seismic Zone?

a) Narora

b) Kalpakkam

c) Kaiga

d) Tarapore

Question : 3

The difference between nuclear reactor and atom bomb is that

a) The chain reaction in nuclear reactor is not controlled

b) The chain reaction in nuclear reactor is controlled

c) There is no chain reaction in nuclear reactor whereas this happens in atom bomb

d) Atom bomb is based on nuclear fusion whereas in nuclear reactor, nuclear fission occurs

Question : 4

Stars obtain their energy from

1. Nuclear fusion
2. Gravitational contraction
3. Chemical reaction
4. Nuclear fission

a) 1 and 4

b) 1, 2 and 3

c) 1 and 2

d) 2 and 4

Question : 5

Which one of the following is an important component of a transistor?

a) Germanium

b) Osmium

c) Arsenic

d) Radium

Question : 6

Which one of the following can be used to confirm whether drinking water contains a gamma emitting isotope or not?

a) Scintillation counter

b) Lead plate

c) Microscope

d) Spectrophotometer