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PPSC Physics Chapter 3 Thermal Properties of Matter
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Total Questions20
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Time Allowed20
PPSC Physics Chapter 3 Thermal Properties of Matter
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Question # 1
The zero point of Kelvin scale is called.
Question # 2
The specific heat capacity of a substance is the amount of heat required to.
Question # 3
The number of molecules or atoms in a specific volume of a gas is independent of their
Question # 4
What happens to Carnot efficiency if the source temperature increases.
Question # 5
The actual gas can behave like an ideal gas at
Question # 6
A heat engine with 100% efficiency would have to
Question # 7
Which statement about convection is correct.
Question # 8
In an isochoric process.
Question # 9
Which of the following is a thermodynamic potential
Question # 10
Because of second law of thermodynamics about the direction of energy flow what is possible.
Question # 11
Difference between Cp and Cv is equal to
Question # 12
An ice making machine extracts energy at the rate of 500 W The specific latent heat of fusion of ice is 300 kj kg-1. How long does it take to freeze 2 kg of water at 0 oC.
Question # 13
Which of the following has maximum specific heat.
Question # 14
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.
Question # 15
What makes the air coming out of a punctured tyre cool.
Question # 16
A fixed mass of an ideal gas absorbs 1000 J of heat and expands under a constant pressure of 20 kPa from a volume of 25 x 10-3 m3 to a volume 50 x 10-3 The change internal energy of the gas is.
Question # 17
Mean free path of gas molecules is inversely proportional to its
Question # 18
The base unit of temperature in SI is
Question # 19
The amount of heat needed per unit mass to raise the temperature of a system one degree at constant pressure is numerically aqual to
Question # 20
By definition a gas is said to be have undergone adiabatic compressing when
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.