Which quantity determines the direction of heat flow between two objects? 

Heat always flows from:

Which of the following is a derived unit?

The amount of heat required to raise the temperature of 1 kg of a substance by 1°C is called: 

Which of the following will expand the most when heated?

Melting point of a substance is the temperature at which it changes from: 

 Which of the following metals has the lowest melting point? 

The boiling point of water decreases when: 

 The boiling point of mercury is about:

Which of the following materials melts at room temperature?

Which type of thermometer uses expansion of liquid in a capillary tube? 

 Which instrument uses thermal radiation to measure temperature? 

 A thermocouple is based on:

Which of the following instruments is best for measuring very high temperatures in a furnace? 

A calorimeter is used to measure:

Vacuum flask reduces heat loss by: 

 Good conductors of heat also tend to be good: 

 Which material is used for making cooking utensils due to good thermal conductivity? 

 Dark and dull surfaces are better at:

 The main reason why metals feel colder than wood at the same temperature is: 

When temperature increases, the length of a metal rod: 

Which factor does NOT affect the amount of heat gained or lost by a body? 

Which of the following expands least for the same temperature rise? 

Which principle is used in the working of calorimeter? 

When a hot object is placed in a cold liquid, heat transfer continues until: