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SL ARORA-Thermal Properties of Matter-Exercise
- The temperature of a room heated by heater is 20^@C when outside tempe...
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- Emissive power of a perfectly black body
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- Which of the following statements is wrong ?
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- Unit of Stefan's constant is
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- Two bodies are at temperature 27^(@) and 927^(@)C. The heat energy rad...
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- A black body radiates energy at the rate of 1 xx 10^(5) J // s xx m at...
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- Temperature of a black body increases from 327^(@)C to 927^(@)C, the ...
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- Two identical metal balls at temperature 200^(@)C and 400^(@)C kept in...
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- A body at a temperature of 727^(@)C and having surface area 5 cm^(2), ...
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- The surface temperature of the sun is 'T'K and the solar constant for ...
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- A piece of blue glass heated to a high temperature and a piece of red ...
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- Which of the following graphs correctly represents the relation betwe...
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- How is the temperature of stars determined by
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- The wavelength of radiation emitted by a body depends upon
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- Temperature of two stars are in the ratio 3 : 2 . If wavelenghth for t...
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- If wavelength at 4500 K is lambdam, the wavelength at 1500 K is
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- A black body at 200 K is found to emit maximum energy at a wavelength ...
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- If sigma is Stefan's constant and b is Wien's constant, then the dimen...
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- of a body is the measure of the average kinetic energy of its molecule...
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- The amount of heat energy required to raise the temperature of 1 gram ...
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