9th Physics Chapter8 Thermal Properties of Matter
| Sr # | Questions | A | B | C | D |
|---|---|---|---|---|---|
| 1 | The method of heat transfer in which heat travels in the form of electromagnetic waves is called: | Conduction | Convection | Radiation | Contraction | 2 | The phenomenon of increase in volume of a substance due to the absorption of heat is called: | Conduction | Convection | Expansion | Compression | 3 | Water freezes at | 0F | 32F | -273F | 0k | 4 | Which of the following material has large specific heat? | copper | ice | water | mercury | 5 | The temperature at which a substance changes from a liquid to a gas is called: | Boiling point | Melting point | Freezing point | Condensation point | 6 | Which of the following is a good insulator of heat? | Metal | Glass | Plastic | Copper | 7 | which of the following material has large value of temperature coefficient of linear expansion? | aluminum | gold | brass | steel | 8 | The SI unit of power is: | Watt | Joule | Newton | Volt | 9 | The triple point of water is defined as: | 0°C and 1 atm pressure | 100°C and 1 atm pressure | 0 K and 1 atm pressure | 100 K and 1 atm pressure | 10 | Boyle’s law describes the relationship between: | Pressure and volume | Temperature and volume | Pressure and temperature | Volume and density | 11 | Normal human body temperature is | 15C | 37C | 37F | 98.6C | 12 | The phenomenon of change in volume of a substance due to change in temperature is called: | Expansion | Conduction | Convection | Compression |