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NEET UG PHYSICS MCQ: THERMAL PROPERTIES OF MATTER
1
Medium
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Understanding
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A brass disc fits simply in a hole of a steel plate. The disc from the hole can be loosened if the system
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Correct option: D
Is cooled
Option D (Is cooled) is correct because cooling will cause the brass disc to contract more than the steel plate, loosening the disc.
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(Latent heat of fusion of ice is and thermal conducting of insulation wall is A black body radiates heat energy at the rate of at temp. of . The temp of black body at which rate becomes is: The amount of radiation emitted by a perfectly black body is proportional to Amount of heat required to raise the temperature of a body through 1K is called its If Poisson’s ratio is for a material, then the material is
(Latent heat of fusion of ice is and thermal conducting of insulation wall is A black body radiates heat energy at the rate of at temp. of . The temp of black body at which rate becomes is: The amount of radiation emitted by a perfectly black body is proportional to Amount of heat required to raise the temperature of a body through 1K is called its If Poisson’s ratio is for a material, then the material is