PPSC Physics Topic 3 Thermal Properties of Matter

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  • Chapter NameSection C: Thermal properties of Matter

PPSC Physics Topic 3 Thermal Properties of Matter

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PPSC Physics Topic 3 Thermal Properties of Matter

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Question # 1

Which of the following is the science of measuring the heat of chemical reactions or physical changes.

Question # 2

Mean free path of gas molecules in inversely proportional to its.

Question # 3

When a perfect gas is supposed to expand freely in an isolated vessel the gas has undergone.

Question # 4

What is the represented by the area inside the Carnot cycle.

Question # 5

Gases exert pressure on walls of the vessels because gas molecules.

Question # 6

Under steady state the temperature of a body

Question # 7

When ever a system is made to complete a cyclic process the work done during the complete cycle.

Question # 8

The temperature of 1 kg of hydrogen gas is the same as that of 1 kg of helium gas if.

Question # 9

In four stroke cycle the crank makes

Question # 10

The transfer of thermal energy between regions of matter due to a temperature gradient is called.

Question # 11

Which of the following is heat transfer by means of the emission or absorption of electromagnetic radiation such as sunshine.

Question # 12

The expression PV/KT represents.

Question # 13

Most cooking involves

Question # 14

Significant motion for the molecules of a monoatomic gas is.

Question # 15

The process in which pressure of the system remains constant.

Question # 16

A 4 kJ mass of copper of specific heat capacity of 400 J kg-1k-1 is heated for 160 s by a heater of power 200 W what is the rise in temperature.

Question # 17

The behavior of the gases that can be easily liquefied is like that of the.

Question # 18

The gas thermometer is taken as the primary standard because.

Question # 19

A cup of coffee at 80 oC is left to cool to 30 oc if the heat capacity of the cup and coffee is 2.0 kJ k-1 how much heat is released during the cooling.

Question # 20

Which thermodynamic law state taht the entropy of a perfect system approaches zero.

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