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


Question: 2

Calorimeters are generally made of

(A) Aluminium

(B) Zinc

(C) Brass

(D) Copper

Ans: D


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


Question: 5

Which of the following is the best conductor of the heat?

(A) Silver

(B) Benzene

(C) Mercury

(D) Leather

Ans: A


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