NCERT Class 11 Physics MCQ Chapter 10 Thermal Properties of Matter Solutions, AHSEC Class 11 Physics Multiple Choice Question Answer to each chapter is provided in the list so that you can easily browse throughout different chapters NCERT Class 11 Physics MCQ Chapter 10 Thermal Properties of Matter Question Answer and select needs one.
Class 11 Physics MCQ Chapter 10 Thermal Properties of Matter
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Thermal Properties of Matter
Chapter: 10
| PART – ⅠⅠ |
MULTIPLE CHOICE QUESTION ANSWER
1. In which unit is temperature commonly measured in scientific contexts?
(i) Celsius.
(ii) Kelvin.
(iii) Fahrenheit.
(iv) Joule.
Ans: (ii) Kelvin.
2. Which one of the following is a reliable standard fixed point?
(i) Boiling point of water.
(ii) Triple point of water.
(iii) None of the above.
(iv) None of the above.
Ans: (ii) Triple point of water.
3. What is the boiling point of water on the Fahrenheit scale?
(i) 32 °F
(ii) 0 °F
(iii) 100 °F
(iv) 212 °F
Ans: (iv) 212 °F
4. The volume thermal expansion coefficient for an ideal gas at constant pressure is:
(i) 1/T
(ii) 1/3T
(iii) 1/2T
(iv) 1/5T
Ans: (i) 1/T.
5. In the Celsius scale, what is the freezing point of water?
(i) 100 °C
(ii) 32 °C
(iii) 0 °C
(iv) 273.15 °C
Ans: (iii) 0 °C
6. Water has the maximum density at:
(i) 4°C
(ii) 112°C
(iii) 0°C
(iv) 25°C
Ans: (i) 4°C
7. The ideal gas equation is expressed as:
(i) PV = nRT.
(ii) PV = constant.
(iii) V/T = constant.
(iv) PV/T = nR.
Ans: (i) PV = nRT.
8. The SI unit of latent heat is:
(i) Jkg-1K-2
(ii) Jkg-1
(iii) Jkg
(iv) None of the above.
Ans: (ii) Jkg-1
9. The amount of heat required to raise the temperature of a substance depends on:
(i) Mass of the substance.
(ii) Change in temperature.
(iii) Nature of the substance.
(iv) All of the above.
Ans: (iv) All of the above.
10. The molar specific heat capacity at constant pressure is denoted by:
(i) C
(ii) Cv
(iii) Cp
(iv) S
Ans: (iii) Cp
11. Coefficient of volume expansion of _________ is independent of temperature:
(i) Gas.
(ii) Solid.
(iii) Liquid.
(iv) None of the above.
Ans: (iii) Liquid.
12. Which of the following substances has a high specific heat capacity, implying it requires more heat to increase its temperature:
(i) Metals.
(ii) Water.
(iii) Oil.
(iv) Gases.
Ans: (ii) Water.
13. What is calorimetry?
(i) Study of temperature.
(ii) Study of specific heat capacity.
(iii) Measurement of heat.
(iv) Study of thermal expansion.
Ans: (iii) Measurement of heat.
14. In a constant volume gas thermometer, the pressure exerted by a gas at a temperature of 27°C is equivalent to 50 cm of mercury. If the temperature rises by 20 K, what will the new pressure be?
(i) 53.33 cm.
(ii) 88.05 cm.
(iii) 65.33 cm.
(iv) 100 cm.
Ans: (i) 53.33 cm.
15. Which of the following phenomena explains why skating is possible on ice?
(i) Melting.
(ii) Freezing.
(iii) Regelation.
(iv) Condensation.
Ans: (iii) Regelation.
