Solve this-8- Explain-i- nbsp- nbsp-Why does the air pressure in a car tyre during driving increase-ii- nbsp- nbsp-Why coolant used in chemical plant should have high specific heat-

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Standard XII

Physics

Temperature

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Question

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8. Explain:

(i) Why does the air pressure in a car tyre during driving increase?
(ii) Why coolant used in chemical plant should have high specific heat?

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Solution

Dear Student

(i) During driving ,temperature of air inside increases while its volume remains constant. According to Charles law,at constant volume V; P(pressure) is directly proportional to T(temperature).Therefore pressure inside tyre increases.

(ii) Since, it is to be used as a coolant, it should not get heated up by any external agency so easily. thus, it has to have high specific heat so that it doesn't get cooled with ordinary conditions.

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Similar questions

Q. Explain why (a) Two bodies at different temperatures T₁and T₂ if brought in thermal contact do not necessarily settle to the mean temperature (T₁ + T₂ )/2. (b) The coolant in a chemical or a nuclear plant (i.e., the liquid used to prevent the different parts of a plant from getting too hot) should have high specific heat. (c) Air pressure in a car tyre increases during driving. (d) The climate of a harbour town is more temperate than that of a town in a desert at the same latitude.

Q. Explain why
(a) Two bodies at different temperatures T

_{1}

and T

_{2}

if brought in thermal contact do not necessarily settle to the mean temperature (T

_{1}

_{2}

)/2
(b) The coolant in a chemical or a nuclear plant (i.e. the liquid used to prevent the different parts of a plant from getting too hot) should have high specific heat
(c) Air pressure in a car tyre increases during driving
(d) The climate of a harbour town is more temperate than that of a town in a desert at the same latitude

Q. Assertion :Air pressure in a car tyre increases during driving Reason: Absolute pressure in a car tyre increases during driving

Explain why

(a) Two bodies at different temperatures T₁ and T₂ if brought in thermal contact do not necessarily settle to the mean temperature (T₁ + T₂)/2.

(b) The coolant in a chemical or a nuclear plant (i.e., the liquid used to prevent the different parts of a plant from getting too hot) should have high specific heat.

(d) The climate of a harbour town is more temperate than that of a town in a desert at the same latitude.

Q. Assertion :The air pressure in a car tyre increases during driving. Reason: Temperature of air in the tyre increases due to friction of tyre with road. Increase in temperature results in an increase in pressure according to Charle's law.

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Solve this: 8. Explain: (i) Why does the air pressure in a car tyre during driving increase? (ii) ​Why coolant used in chemical plant should have high specific heat?

Solve this:

8. Explain:

(i) Why does the air pressure in a car tyre during driving increase?
(ii) Why coolant used in chemical plant should have high specific heat?