Heat And Thermodynamics QUESTIONS AND ANSWERS

IIT JEE : Heat And Thermodynamics QUESTIONS AND ANSWERS :: part2 : 21 to 25

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

21.If same amount of heat is supplied to two identical spheres (one is hollow and other is solid), then:

the expansion in hollow is greater than the solid

the expansion in hollow is same as that in solid

the expansion in hollow is lesser than the solid

the temperature of both must be same to each other

22.A gas behaves more closely as an ideal gas at:

low pressure and low temperature

low pressure and high temperature

high pressure and low temperature

high pressure and high temperature

23.Mark correct option or options.

Suns temperature is measured by radiation pyrometer

Insects temperature is measured by thermocouple thermometer

Moons temperature is measured by berthometer

All of the above

24.The temperature at which Centigrade thermometer and Kelvin thermometer gives the same reading, is:

4 degree

273 degree

not possible

0 degree

25.Increase of pressure:

always increases the boiling point of a liquid

always increases the melting point of solid

increases the melting point of solid which expand on melting

always decreases the melting point of solid

More Heat And Thermodynamics QUESTIONS AND ANSWERS available in next pages

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