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NCERT-HEAT -Exercise
- State similarities and differences between the laboratory thermometer ...
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- Give two examples each of conductors and insulators of heat.
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- The hotness of an object is determined by its
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- Temperature of boiling water cannot be measured by a thermometer.
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- Temperature is measured in degree
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- No medium is required for transfer of heat by the process of
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- Fill in the following blanks with suitable words : A cold steel spo...
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- Clothes of colours absorb heat better than clothes of light colours.
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- Match the following:
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- Discuss why wearing more layers of clothing during winters keeps us wa...
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- Look at Figure. Mark where the heat is being transferred by conduction...
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- In places of hot climate it is advised that the outer walls of houses ...
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- One litre of water at 30^@C is mixed with one litre of water at 50^@C...
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- An iron ball at 40^@C is dropped in a mug containing water at 40^@C ....
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- A wooden spoon is dipped in a cup of ice cream. Its other end
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- Stainless steel pans are usually provided with copper bottoms. The rea...
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