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MODERN PUBLICATION-TRANSFERENCE OF HEAT -Multiple Choice Questions (Level - II)
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- A cup of tea cools from 65.5^@C " to " 62.5^@C in 1 minute in a room...
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- Statement - I : Water kept in an open vessel will evaporate quickly on...
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- Statement - I : A body which is good radiator is is good absorber of r...
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- Statement - I : It is hotter above the top of a fire than at some dist...
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- Statement - I : A hallow metallic closed containes maintained at a uni...
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- Statement - I : The absorbtance of a perfact black body is unity. S...
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- Raed the following passage and and answer the following questions. S...
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- A body cools from 50^(@)C to 40^(@)C in 5 minutes and from 40^(@)C to ...
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- Time taken by the body to cool from 45^(@)C to 35^(@)C is
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- The plots of intensity versus wavelength for three black bodies at tem...
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- Two spheres of the same material have radii 1 m and 4 m and temperatur...
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- The graph shown in the adjacent diagram, represents the variation of t...
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- Three discs A, B and C having radii 2m, 4 m and 6 m respectively are c...
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- Two identical conducting rods are first connected independently to two...
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- A radiation of energy E falls normally on a perfectly reflecting surfa...
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- A body with area A at maintained temperature T and emissivity e=0.6 is...
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- Ice starts forming in a lake water at 0^(@)C when the atmospheric temp...
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- A body is placed in an insulating container at temperature 227^(@)C. I...
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- A cylindrical rod is having temperature T(1) and T(2) at its ends. The...
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