Heat UPSC Questions

Physics

Heat MCQ Questions


13.
Which one is filled in the bulb of a thermometer?
A.
Lead
B.
Mercury
C.
Gold
D.
Silver
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ANSWER :
B. Mercury
14.

Which of the following statement is incorrect
(i) The water and air are good conductors of heat.
(ii) Iron is a good conductor of heat
(iii) Land breeze blows during the night

A.

(i) only

B.

(ii) only

C.

(iii) only

D.

None of the above

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ANSWER :

A. (i) only

15.
Heat capacity depends on
A.
Mass of the body
B.
change in temperature
C.
Nature of the substance
D.
All the above
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ANSWER :
D. All the above
16.
Objects at different initial temperatures, when kept in contact, gradually come to
A.
Zero
B.
a common temperature
C.
a higher temperature
D.
a lower temperature
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ANSWER :
B. a common temperature
17.
Which of the following is not used for the measurement of temperature
A.
Thermistor
B.
Pyrometer
C.
Thermometer
D.
Geyser
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ANSWER :
D. Geyser
18.

The conduction is only possible in solids because
(i) heat is transferred from the hotter end to the colder end of an object
(ii) particles of solids are closely packed
(iii) heat is transferred from the colder end to the hotter end of an object

A.

(i) only

B.

(ii) only

C.

(i) and (ii) only

D.

(ii) and (iii) only

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ANSWER :

C. (i) and (ii) only