Measurement of Physical Quantities TNPSC Group 4 VAO Questions

Physics

Measurement of Physical Quantities MCQ Questions

1.
At what temperature a body will not radiate any heat energy?
A.
0 degree C
B.
273 degree C
C.
100 degree C
D.
minus 273 degree C
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ANSWER :
D. -273 degree C
2.
Kilowatt is a unit of
A.
Energy
B.
Power
C.
Electric Charge
D.
Current
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ANSWER :
B. Power
3.
At what temperature are the readings of a centigrade and fahrenheit thermometers the same?
A.
minus 40o
B.
40o
C.
100o
D.
212o
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ANSWER :
A. minus 40o
4.
the unit of moment of force is
A.
joule
B.
watt
C.
metre
D.
newton-meter
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ANSWER :
D. newton-meter
5.
What is the value of 0o absolute in Fahrenheit scale?
A.
minus 40o
B.
minus 459.4o
C.
minus 100o
D.
minus 300o
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ANSWER :
B. minus 459.4o
6.
The unit of electrical conductivity is
A.
mho
B.
ohm
C.
faraday
D.
coulomb
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ANSWER :
A. mho