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Thermal Properties of Matter — BITSAT Physics PYQs

17 previous year questions from Thermal Properties of Matter with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

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Thermal Properties of Matter — BITSAT Physics PYQs

A solid metallic cube having total surface area 24 ~m ^2 is uniformly heated. If its temperature is increased by 10^ C , calculate the increase in volume of the cube. ( . Given : .

A bowl filled with very hot soup cools from 98^ C to 86^ C in 2 minutes when the room temperature is 22^ C . How long it will take to cool from 75^ C to 69^ C ?

The two ends of a rod of length L and a uniform crosssectional area A are kept at two temperatures T₁ and T ₂ ( ~T ₁> T ₂ ) . The rate of heat transfer, dQ dt through the rod in a

A crystal has a coefficient of expansion 13 10⁻⁷ in one direction and 231 10⁻⁷ in every direction at right angles to it. Then the cubical coefficient of expansion is

Steam at 100 ° C is passed into 1 . 1 kg of water contained in a calorimoter of water equivalent to 0 . 2 kg at 15 ° C till the temperature of the calorimeter and its con

Three rods of identical cross-sectional area and made from the same metal, form the sides of an isosceles triangle A B C right angled at B as shown in figure. The point A and B are

If temperature of a black body increases from 300 K to 900 K , then the rate of energy radiation increases by

Two spheres of different materials one with double the radius and one-fourth wall thickness of the other are filled with ice. If the time taken for complete melting of ice in the l

0.5 mole of an ideal gas at constant temperature 27^ C kept inside a cylinder of length L and crosssection area A closed by a massless piston. The cylinder is attached with a condu

The wavelength of radiation emitted by a body depends upon

Figure shows a copper rod joined to a steel rod. The rods have equal length and equal crosssectional area. The free end of the copper rod is kept at 0^ C and that of steel rod is k

If the radius of a star is R and it acts as a black body, what would be the temperature of the star, in which the rate of energy production is Q ?

The radiation emitted by a perfectly black body is proportional to

A copper sphere cools from 62^ C to 50^ C in 10 minutes and to 42^ C in the next 10 minutes. Calculate the temperature of the surroundings.

One kilogram of ice at 0^ C is mixed with one kilogram of water at 80^ C . The final temperature of the mixture is (Take specific heat of water =4200 ~kJ / kg - ^ C , Latent heat o

A body of length 1 ~m having cross-sectional area 0.75 ~m ² has heat flow through it at the rate of 6000 Joule/sec. Then find the temperature difference if K =200 Jm ⁻¹ ~K ⁻¹

Which of the following combinations of properties would be most desirable for a cooking pot?

Thermal Properties of Matter — BITSAT Physics PYQs

A solid metallic cube having total surface area 24 ~m ^2 is uniformly heated. If its temperature is increased by 10^ C , calculate the increase in volume of the cube. ( . Given : .

A bowl filled with very hot soup cools from 98^ C to 86^ C in 2 minutes when the room temperature is 22^ C . How long it will take to cool from 75^ C to 69^ C ?

The two ends of a rod of length L and a uniform crosssectional area A are kept at two temperatures T₁ and T ₂ ( ~T ₁> T ₂ ) . The rate of heat transfer, dQ dt through the rod in a

A crystal has a coefficient of expansion 13 10⁻⁷ in one direction and 231 10⁻⁷ in every direction at right angles to it. Then the cubical coefficient of expansion is

Steam at 100 &#176; C is passed into 1 . 1 kg of water contained in a calorimoter of water equivalent to 0 . 2 kg at 15 &#176; C till the temperature of the calorimeter and its con

Three rods of identical cross-sectional area and made from the same metal, form the sides of an isosceles triangle A B C right angled at B as shown in figure. The point A and B are

If temperature of a black body increases from 300 K to 900 K , then the rate of energy radiation increases by

Two spheres of different materials one with double the radius and one-fourth wall thickness of the other are filled with ice. If the time taken for complete melting of ice in the l

0.5 mole of an ideal gas at constant temperature 27^ C kept inside a cylinder of length L and crosssection area A closed by a massless piston. The cylinder is attached with a condu

The wavelength of radiation emitted by a body depends upon

Figure shows a copper rod joined to a steel rod. The rods have equal length and equal crosssectional area. The free end of the copper rod is kept at 0^ C and that of steel rod is k

If the radius of a star is R and it acts as a black body, what would be the temperature of the star, in which the rate of energy production is Q ?

The radiation emitted by a perfectly black body is proportional to

A copper sphere cools from 62^ C to 50^ C in 10 minutes and to 42^ C in the next 10 minutes. Calculate the temperature of the surroundings.

One kilogram of ice at 0^ C is mixed with one kilogram of water at 80^ C . The final temperature of the mixture is (Take specific heat of water =4200 ~kJ / kg - ^ C , Latent heat o

A body of length 1 ~m having cross-sectional area 0.75 ~m ² has heat flow through it at the rate of 6000 Joule/sec. Then find the temperature difference if K =200 Jm ⁻¹ ~K ⁻¹

Which of the following combinations of properties would be most desirable for a cooking pot?

Steam at 100 ° C is passed into 1 . 1 kg of water contained in a calorimoter of water equivalent to 0 . 2 kg at 15 ° C till the temperature of the calorimeter and its con