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SURA PUBLICATION-Heat-Example
- Explain the working of thermos flask with a diagram.
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- Why does the bottom of a lake not freeze in severe winter even when th...
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- Which one of the following ststements about thermal conductivity is co...
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- An iron ball requires 1000 J of heat to raise its temperature by 20^@C...
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- The heat capacity of the vessel of mass 100 kg is 8000 J//^@C. Find it...
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- Heat is the transfer of energy between two objects with different temp...
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- When ice changes into a liquid, it absorbs energy.
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- Heat energy flows from a body at low temperature to a body at higher t...
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- J// Kg ^@C is the unit of specific heat capacity.
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- Conductors have generally high specific head capactities and insulator...
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- Temperature is a measure of total kinetic energy of the particles in a...
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- When a liquid evaporates. it gives off energy.
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- when a liquid boils, energy is absorbed.
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- What has the lowest specific heat capacity.
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- While a substance is undergoin a change of state, the temperature of t...
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- In summer, we prefer light- coloured clothes and in winter we usually ...
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- The transfer of heat by radiation does not require any medium.
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- Metals like copper, heat by radiation does not require any medium.
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- in thermos flask, the bacuum between the two walls prevents heat from ...
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- Thermostat is a device can measure the heat capacity of the liquid in ...
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