TNPSC Physics General Knowledge Questions and Answers - 2
Question: 6
Reactors used to supply neutrons for research purpose and for production of radioisotopes are called
(A) research reactors
(B) breedor reactors
(C) production reactors
(D) power reactors
Ans: A
research reactors
Question: 7
The heavier particle group of elementary particles are called
(A) Leptons
(B) Photons
(C) Baryons
(D) Mesons
Ans: C
Baryons
Question: 8
Nuclear density
(A) varies according to shape
(B) varies according to size
(C) is almost a constant for all nuclei irrespective of its size
(D) all the above
Ans: C
is almost a constant for all nuclei irrespective of its size
Question: 9
In carbon nitrogen cycle _____ acts as a catalyst.
(A) nitrogen
(B) oxygen
(C) carbon
(D) hydrogen
Ans: C
carbon
Question: 10
The maximum binding energy per nucleon corresponds to _____ nucleus.
(A) Iron
(B) Oxygen
(C) Berrylium
(D) Helium
Ans: A
Iron
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