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NEET UG PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Remembering +4 | -1
Amount of heat required to raise the temperature of a body through 1K is called its
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Correct option: B
Thermal Capacity
Option A (PVPV) is correct because Boyle's law states that for a fixed mass of gas at constant temperature, the product of pressure and volume is constant.

More Questions from THERMAL PROPERTIES OF MATTER

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Four identical calorimeters painted in different colours, are heated to same temperature and then allowed to cool in vacuum. Which will cool fastest? An ice cube of dimensions 60Β cmΓ—50Β cmΓ—20Β cm60 \mathrm{~cm} \times 50 \mathrm{~cm} \times 20 \mathrm{~cm} is placed in an insulation box of wall thickness 1Β cm1 \mathrm{~cm}. The box keeping the ice cube at 0∘C0^{\circ} \mathrm{C} of temperature is brought to a room of temperature 40∘C40^{\circ} \mathrm{C}. The rate of melting of ice is approximately.

(Latent heat of fusion of ice is 3.4Γ—105Β JΒ kgβˆ’13.4 \times 10^5 \mathrm{~J} \mathrm{~kg}^{-1} and thermal conducting of insulation wall is 0.05Wmβˆ’1∘Cβˆ’1)\left. {0.05{\text{W}}{{\text{m}}^{ - 1}}^\circ {{\text{C}}^{ - 1}}} \right)
A black body radiates heat energy at the rate of 2Γ—105Β J/sm22 \times 10^5 \mathrm{~J} / \mathrm{sm}^2 at temp. of 127∘C127^{\circ} \mathrm{C}. The temp of black body at which rate becomes 32Γ—105Β J/sβˆ’m232 \times 10^5 \mathrm{~J} / \mathrm{s}-\mathrm{m}^2 is: The amount of radiation emitted by a perfectly black body is proportional to If Poisson’s ratio Οƒ\sigma is +12+ \frac{1}{2} for a material, then the material is A liquid having coefficient of cubical expansion Ξ³\gamma is filled in the container having coefficient of linear expansion Ξ±\alpha. If on heating the liquid overflows, then which of the following relations is correct?
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