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School Physics Quiz : Heat


Answer the following questions based on heat.

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Multiple choice

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1.

Water at 25oC is mixed with an equal mass of water at 55oC. If there are no heat losses to the surroundings, then what is the final temperature of the water mixture ?

  80.0oC

  25oC

  40.0oC

  55oC

  Half-n-half Clue
 

2.

Heat is a form of _______.

  expansion

  electricity

  energy

  Half-n-half Clue
 

3.

_______ requires no medium.

  Radiation

  Convection

  Conduction

  Half-n-half Clue
 

4.

The SI unit of heat (thermal energy) is

  Watt

  Joule

  Newton

  Pascal

  Half-n-half Clue
 

5.

1 Joule = _______ ergs

  105

  4.184

  107

  4.214

  Half-n-half Clue
 

6.

The calorific value of a fuel is the quantity of heat produced when a unit _______ of it is burnt.

  mass

  weight

  volume

  Half-n-half Clue
 

7.

Liquids exhibit only _______ expansion.

  cubical

  linear

  superficial

  Half-n-half Clue
 


 
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