Heat

The energy which flows from a hot body to a cold body is called __________

• Mechanical Energy

• Fuel energy

• Solar energy

• Heat energy

Calorie is the unit of __________

• heat

• work

• temperature

• food

1 J equals to __________

• 0.24 cal

• 4.18 cal

• 1 cal

• 1 kcal

1 Joule is equal to _______

• 10⁶ erg

• 10⁵ erg

• 10⁷ erg

• 10⁹ erg

__________ determines the direction of flow of heat.

• Heat

• Temperature

• Coldness

• None of these

The amount of heat energy contained by a body depends on ________

• the mass of the body

• the temperature of the body

• the nature of the material of the body

• all the options are correct

The S.I. unit of temperature is __________.

• Celsius

• Fahrenheit

• Kelvin

• None of the options

Celsius and Kelvin scales are related as _________

The temperature of a body depends on the average _________ of the molecules.

• potential energy

• kinetic energy

• elastic energy

• atomic energy

The temperature at which pressure and volume of a gas becomes zero is __________.

• 0 K

• 273 K