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LAKHMIR SINGH & MANJIT KAUR-HEAT-EXERCISE
- The normal temperature of a healthy person is thirty seven degrees on
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- Digital thermometers available these days for measuring temperature us...
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- Which of the following is not a method of transfer of heat ?
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- Which of the following is not an insulator ?
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- A liquid which is a good conductor of heat is :
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- The woollen clothes keep us warm during winter because : A. Wool is ...
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- The objects made of steel, mica, wood and brass are lying in the same ...
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- The transfer of heat by convection can take place in
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- The convection currents in air transfer heat
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- Which of the following conditions lead to the blowing of sea-breeze in...
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- The hot objects which can transfer heat by radiation are :
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- The invisible rays which transfer heat by radiation are called :
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- The heat from the sun reaches us on the earth by the process of :
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- The process which can transfer heat through the vacuum as well as air ...
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- The bulb of thermometer A is coated with lampblack and the bulb of the...
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- One end of the objects such as a steel spoon, a plastic scale, a penci...
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- Why are two thin blankets are warmer than a single blanket of double t...
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- A person has a white shirt and a black shirt. Which shirt will make hi...
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- A person has a white shirt and a black shirt. Which shirt will make hi...
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- Look at the Figure given alongside. Mark where the heat is being trans...
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