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Class 9 Physics — Online Test

Chapter 8: Thermal Properties of Matter

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📋 Instructions: Select one answer for each question, then click Submit Test at the bottom to see your score and correct answers.

Q1 Temperature is a measure of:

Total heat energy Average kinetic energy of molecules Total kinetic energy Potential energy

Q2 The SI unit of temperature is:

Celsius Fahrenheit Kelvin Rankine

Q3 Absolute zero is equal to:

0°C −100°C −273°C −373°C

Q4 Thermal expansion of liquids is generally:

Less than solids More than solids Same as solids Zero

Q5 Heat travels through solids by:

Convection Radiation Conduction Evaporation

Q6 Heat transfer through fluids by movement of molecules is called:

Conduction Radiation Convection Absorption

Q7 Radiation can travel through:

Only solids Only liquids Only gases Vacuum

Q8 Specific heat capacity: heat to raise 1 kg by:

10 K 1 K 100 K 273 K

Q9 Instrument used to measure temperature:

Barometer Thermometer Hydrometer Manometer

Q10 Bimetallic strip works on the principle of:

Different densities Different thermal expansions Different colours Different masses

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