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Free tnpsc model questions Online Test - MeritNotes
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No. of Questions :10
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1. 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
2. Who discovered atomic nucleus?
(a)
Neil Bohr
(b)
Earnest Rutherford
(c)
Thomson
(d)
Prout
3. 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
4. Electrostatic accelerators can accelerate particles upto a few
(a)
giga electron volts
(b)
kilo electron volts
(c)
electron volts
(d)
million electron volt
5. In carbon nitrogen cycle _____ acts as a catalyst.
(a)
nitrogen
(b)
oxygen
(c)
carbon
(d)
hydrogen
6. The heavier particle group of elementary particles are called
(a)
Leptons
(b)
Photons
(c)
Baryons
(d)
Mesons
7. The nuclear fusion reactions are known as
(a)
heat reactions
(b)
thermonuclear reactions
(c)
radioactive reactions
(d)
nuclear reactions
8. Isobars have
(a)
different physical and chemical properties
(b)
identical physical and chemical properties
(c)
different physical properties and identical chemical properties
(d)
identical physical properties and different chemical properties
9. The energy equivalent of mass defect is called _____ energy.
(a)
atomic
(b)
binding
(c)
mass
(d)
nuclear
10. The maximum binding energy per nucleon corresponds to _____ nucleus.
(a)
Iron
(b)
Oxygen
(c)
Berrylium
(d)
Helium
