TNPSC Physics Quiz - 1

Question: 1

SI unit of temperature is

(A) Fahrenheit

(B) Joule

(C) Kelvin

(D) Celsius

Question: 2

A metal sheet with circular hole is heated. The hole will

(A) Remain unaffected

(B) Contract

(C) Expand

(D) None of these

Question: 3

Which of the following is the example of ideal black body?

(A) A pin hole box

(B) Black board

(C) Kajal

(D) None of these

Question: 4

Heat given to ideal gas under isothermal conditions is used

(A) In doing external work

(B) Increasing the temperature

(C) In increasing the internal energy

(D) None of the above

Question: 5

The temperature of the sun is measured with

(A) Vapour pressure thermometer

(B) Gas thermometer

(C) Pyrometer

(D) Platinum thermometer