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Nuclear Physics and Laser TNPSC Group 2 2A Questions
TNPSC Group 2 2A SYLLABUS
Physics
Nature of Universe
General Scientific Laws
Mechanics and Properties of Matter
Force, Motion and Energy
Everyday application of the basic principles of Mechanics
Electricity and Magnetism
Light, Sound and Heat
Nuclear Physics and Laser
Electronics and Communications
Nuclear Physics and Laser MCQ Questions
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7.
In india, Apsara is connected with
A.
Nuclear reactor
B.
Dancer
C.
Goddess
D.
Military tank
😑
View Answer
Rough Work
Error
ANSWER
:
A. Nuclear reactor
8.
Excited atoms gives rise to ________ spectrum
A.
absorption
B.
continous
C.
line
D.
raman
😑
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Rough Work
Error
ANSWER
:
C. line
9.
In an atom, the order of filling up of the orbitals is governed by
A.
Aufbau principle
B.
Heinsenberg's uncertainty principle
C.
Hund's rule
D.
Pauli's exclusion principle
😑
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Rough Work
Error
ANSWER
:
A. Aufbau principle
10.
the difference between a nuclear reactor and an atomic bomb is that
A.
no chain reaction take place in nuclear reactor while in the atomic bomb there is a chain reaction
B.
the chain reaction in nuclear reactor is controlled
C.
the chain reaction in nuclear reactor is not controlled
D.
no chain reaction takes place in atomic bomb while it takes place in nuclear reactor
😑
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Rough Work
Error
ANSWER
:
B. the chain reaction in nuclear reactor is controlled
11.
The alpha particle carries two positive charges. Its mass is very nearly equal to that of
A.
two protons
B.
an atom of helium
C.
sum of masses of two positrons & two neutrons
D.
two positrons as each position carries a single positive charge
😑
View Answer
Rough Work
Error
ANSWER
:
B. an atom of helium
12.
Alpha rays are
A.
positively charged particles
B.
negatively charged particles
C.
chargeless particles
D.
electromagnetic radiators
😑
View Answer
Rough Work
Error
ANSWER
:
A. positively charged particles
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