Question

An ice cube at -10 ⁰C is dropped in a mug containing water at 10 ⁰C. Choose the correct one.

• A. Temperature of ice cube will decrease
  
• B. No heat will flow
  
• C. Temperature of water will increase
  
• D. Heat will flow from water to ice
  

Answer 1

The correct option is C Temperature of water will increase

• Heat always flows due to temperature differences and flows from a body at high temperature to a body at low temperature.
• In this case, the heat will flow from water to the ice cube because water is at a higher temperature than ice.
• During this process of heat transfer, the temperature of the ice cube will increase and the temperature of the water will decrease.