Heat UPSC Questions

Physics

Heat MCQ Questions


1.
Electric Current can be represented by
A.
Circuit diagram
B.
Ven Diagram
C.
Both (a) & (b)
D.
None of the above
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ANSWER :
A. Circuit diagram
2.
When Electric current flows through a wire it behaves like a
A.
Amplifier
B.
Conductor
C.
Magnet
D.
None of the above
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ANSWER :
C. Magnet
3.
With reference to radioisotope thermoelectric generators (RTGs), consider the following statements :
1.RTGs are miniature fission reactors.
2.RTGs are used for powering the onboard systems of spacecrafts.
3.RTGs can use Plutonium-238, which is a by-product of weapons development.
Which of the statements given above are correct?
UPSC - 2024
A.
1 and 2 only
B.
2 and 3 only
C.
1 and 3 only
D.
1, 2 and 3
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ANSWER :
B. 2 and 3 only
4.
Match the following
List I-Subatomic Particles List II-Charges
a) Protons 1.) Positively charged
b) Electrons 2.) Negatively charged
c) Neutron 3.) Neutral
A.
a-1, b-2, c-3
B.
a-2,b-1,c-3
C.
a-3,b-2,c-1
D.
a-1, b-3, c-2
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ANSWER :
A. a-1, b-2, c-3
5.
Nucleon is a combination of
A.
Nuetrons and Electrons
B.
Protons and Neutrons
C.
Electrons and Protons
D.
Neutrons alone
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ANSWER :
B. Protons and Neutrons
6.
Which of the following is not an invention of Thomas Alva Edison
(i) Electric bulb
(ii) Gramophone
(iii) Motion picture camera
A.
(i) only
B.
(ii) only
C.
(iii) only
D.
All the above
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ANSWER :
D. All the above