PPSC Physics Chapter 3 Thermal Properties of Matter With Answers

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PPSC Physics Chapter 3 Thermal Properties of Matter

Sr. # Questions Answers Choice
1 A gas thermometer is more sensitive than a mercury thermometer because the expansion of gas for 1 o/c rise in temperature is. Five times as much as mercury Ten times as much as mercury Twenty times as much as mercury Hundred times as much as mercury
2 The average K.E. of the molecules of an ideal gas in a closed rigid container is increased by a factor of 4 What happen to the pressure of the gas. It remains the same It increases by a factor of 2 It increases by a factor of 4 It increases by a factor of 8
3 A mercury thermometer has Low conductivity and low thermal capacity High conductivity and high thermal capacity Low conductivity and high thermal capacity High conductivity and high thermal capacity
4 The normal Human body temperature in Fahrenheit scale is. 32 <sup>o</sup>F 40 <sup>o</sup>F 98.4<sup>o</sup>F 212 <sup>o</sup>F<div><br></div>
5 Which one is the primary standard for temperature measurement. Resistance thermometer Mercury in glass thermometer Constant volume gas thermometer Pyrometer
6 What should be the shape of an ideal thermometer. Sphereical Cubical Cylindrical Rectangular
7 Diffusion of gases occurs because the molecules of the Gas present in a higher concentration exerts a high pressure Gases are different Gasses attract each other Gasses over about randomly
8 The phenomenon of Brownian motion shows that Molecules exist and can be seen as bright dots moving about Molecules moves about randomly at highs speeds Smoke particles behaves as molecules Smoke particles can be used as models of air molecues.
9 At the temperature of -273 oC. pressure of a gas at constant volume becomes zero This specific temperature is called. Freezing point Critical temperature Absolute zero Terminal point
10 Which of the following is a non contacting device that intercepts and measures thermal radiation. Thermometer Pyrometer Voltmeter Lactometer
11 Which of the following devoices are used for measuring temperature. Thermocouples Thermistors Thermometers All of these
12 What is world's average surface air temperature. 5 <sup>o</sup>C 10<sup> o</sup>C 15 <sup>o</sup>C 20 <sup>o</sup>C
13 Which of the following is standard scale of temperature Mercury scale Platinum resistance scale Gas scale Alcohol scale
14 Which of the following is a clinical thermometer. Gas thermometer Mercury thermometer Alcohol thermometer Radiation thermometer
15 The base unit of temperature in SI is Fahrenheit Celsius Kelvin Rnakine
16 Which thermometer is called sprint thermometer Alcohol thermometer Mercury in glass thermometer Gas thermometer Radiation thermometer
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