TNPSC Heat MCQ Questions and Answers - 1
Question: 1
Which of the following substances has greatest specific heat?
(A) Mercury
(B) Copper
(C) Iron
(D) Water
Ans: D
Water
Question: 2
Calorimeters are generally made of
(A) Aluminium
(B) Zinc
(C) Brass
(D) Copper
Ans: D
Copper
Question: 3
Thermal radiations are electromagnetic wave belonging to
(A) Infrared region
(B) Ultraviolet
(C) Visible region
(D) Gamma region
Ans: A
Infrared region
Question: 4
The first law of thermodynamics is concerned with the conservation of
(A) Temperature
(B) Number of molecules
(C) Number of moles
(D) Energy
Ans: D
Energy
Question: 5
Which of the following is the best conductor of the heat?
(A) Silver
(B) Benzene
(C) Mercury
(D) Leather
Ans: A
Silver
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