Work in Physics Notes Questions with Answers PDF Download - 51

Work can only be done when there is

1. Force
2. Power
3. Energy
4. Efficiency

A meter rule can measure a maximum length of

1. 0.5 meter
2. 1 meter
3. 1.5 meter
4. 2 meter

For a constant temperature, Boyle's law states that

1. the pressure of a fixed amount of gas is directly proportional to the volume of the gas
2. the pressure of a fixed amount of gas is inversely proportional to the volume of the gas
3. the pressure of a fixed amount of gas is independent of the volume of the gas
4. None of the above

Gases have

1. low density
2. ductility
3. brutality
4. high density

Heat capacity of a substance is defined as

1. the amount of heat required to raise the temperature of a substance by 1 K
2. the amount of heat required to raise the temperature of a substance by 1 °C
3. specific heat capacity × mass of the substance
4. All of the above