Total Internal Reflection Quiz Questions and Answers PDF Download - 33

Thermal energy can be transferred by

1. conduction only
2. convection only
3. conduction and convection
4. conduction, convection and radiation

Every temperature measuring instrument makes use of a physical property of a substance in order to measure temperature objectively, which physical property is used by Mercury-in-glass thermometer?

1. Electromotive force
2. Volume of a fixed mass of liquid
3. resistance of a piece of metal
4. Pressure of a fixed mass of gas at constant volume

The motion that is repeated at regular intervals is termed as

1. Vibration
2. Oscillation
3. Ventilation
4. Periodic motion

Which of the following does not belong to the list of factors that affect the rate of transfer of energy by radiation?

1. Color and texture of the surface
2. Temperature of the surface
3. Movement of air above the surface
4. Surface area

A cube-shaped block of pinewood has a surface area of 9 m² and a density of 0.5 g cm^-3. Its mass equals

1. 4500 g
2. 4500 kg
3. 13500 g
4. 13500 kg