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

Question : 26 [PSC (Pre) 2017]

Consider the following statements. In a nuclear reactor, self-sustained chain reaction is possible because

1. More neutrons are released in each of the fission reactions.
2. The neutrons immediately take park in the fission process.
3. The fast neutrons are slowed down by graphite.
4. Every neutron released in the fission reaction initiates further fission.

a) 2 and 4

b) 1 and 3

c) 1, 2 and 3

d) 2, 3 and 4

Question : 27 [BPSC (Pre) 1997]

Source of energy from the Sun is

a) Photoelectric effect

b) Nuclear fusion

c) Nuclear fission

d) Cherenkov effect

Question : 28 [UPPCS (Mains) 2009]

Russia has agreed recently to construct how many units of nuclear reactors at Kundankulam in Tamil Nadu?

a) 5

b) 4

c) 2

d) 6

Question : 29 [BPSC (Pre) 1994]

The characteristic of super conductor is

a) Low permeability

b) Zero permeability

c) High permeability

d) Infinite permeability

Question : 30 [IAS (Pre) 2013]

The efforts to detect the existence of Higgs Boson particle have become frequent news in the recent past. What is/are the importance of discovering this particle?

1. It will help us to understand as to why elementary particles have mass.
2. It will enable us in the near future to develop the technology to transfer matter from one point to another without traversing the physical space between them.
3. It will enable us to create better fuel for nuclear fission.

a) Only 2 and 3

b) Only 1 and 3

c) Only 1

d) All 1, 2 and 3