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Force, Motion and Energy 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
Force, Motion and Energy MCQ Questions
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1.
A loudspeaker converts
A.
electrical energy into sound energy
B.
sound energy into electrical energy
C.
small sound into a large sound
D.
none of these
😑
View Answer
Rough Work
Error
ANSWER
:
A. electrical energy into sound energy
2.
The formula to calculate the force is
A.
F = ma
B.
F = p×h
C.
F = d×h
D.
F = a×h
😑
View Answer
Rough Work
Error
ANSWER
:
A. F = ma
3.
Non-conventional source of energy best suited for India is
A.
Solar energy
B.
Wind energy
C.
Tidal wave energy
D.
Nuclear energy
😑
View Answer
Rough Work
Error
ANSWER
:
A. Solar energy
4.
Which of the following functions is performed by a photo-cell?
A.
It converts magnetic energy into electrical energy
B.
It converts chemical energy into electrical energy
C.
It converts electrical energy into light energy
D.
It converts light energy into electrical energy
😑
View Answer
Rough Work
Error
ANSWER
:
D. It converts light energy into electrical energy
5.
Which one of the following device converts electrical energy into mechanical energy
A.
transformer
B.
inductor
C.
dynamo
D.
electric motor
😑
View Answer
Rough Work
Error
ANSWER
:
D. electric motor
6.
In a dynamo
A.
Mechanical energy is converted into electrical energy
B.
electrical energy is converted into mechanical energy
C.
electrical energy is converted into heat energy
D.
electrical energy is converted into light energy
😑
View Answer
Rough Work
Error
ANSWER
:
A. Mechanical energy is converted into electrical energy
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