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Heat & Thermodynamics Test Online MCQs

Test Name Heat & Thermodynamics MCQs Test
Subject Physics
Test Type MCQs
Total Question 15
Total Marks 30
Total Time 15 Mints
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Get multiple choice questions of the physics subject topic Heat & Thermodynamics online. All the visitors should attempt these questions to prepare for the admission test, medical test, engineering and recruitment test. Heat & Thermodynamics MCQs Test Online being added below.

Heat & Thermodynamics Test Online MCQs

Physics

1. The volume of a gas is reduced adiabatically to (1/4) of its volume at 27°C. If γ = 1.4. The new temperature will be:

 

Question 1 of 15

2. Which one of the following is not a thermodynamical co-ordinate?

 

Question 2 of 15

3. The real coefficient of volume expansion of glycerine is 0.000597 per °C and linear coefficient of expansion of glass is 0.000009 per °C. Then the apparent volume coefficient of expansion of glycerine is:

 

Question 3 of 15

4. A centigrade and Fahrenheit thermometers are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers a temperature of 140° the fall of the temperature as registered by the centigrade thermometer is:

 

Question 4 of 15

5. The colour of a star indicates its:

 

Question 5 of 15

6. In an adiabatic process the quantity which remains constant is:

 

Question 6 of 15

7. The surface temperature of a body is 727°C and that of another body is 327. The ratio of total energies radiated by them is:

 

Question 7 of 15

8. The density of a substance at 0°C is 10 g/cc and at 100°C, its density is 9.7 g/cc. The coefficient of linear expansion of the substance is

 

Question 8 of 15

9. A quantity of heat required to change the unit mass of a solid substance to its liquid state, while the temperature remains constant, is known as

 

Question 9 of 15

10. The average kinetic energy of a gas molecule at 27°C is 6.21 x 10⁻²¹J, then its average kinetic energy at 227°C is:

 

Question 10 of 15

11. Fraunh offer line of the solar system is an example of:

 

Question 11 of 15

12. A black body is heated from 27°C to 127°C. The ratio of their energies of radiation emitted will be:

 

Question 12 of 15

13. An ideal gas at 27°C is compressed adiabatically to 8/27 its original volume [TVγ-1 = constant] and γ = 5/3, then the rise in temperature will be:

 

Question 13 of 15

14. The thermal conductivity of a rod is 2. What is its thermal resistivity?

Question 14 of 15

15. When a solid is converted into a gas, directly by heating then this process is known as:

 

Question 15 of 15


 

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