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Assertion : The air pressure in a tyre o...

Assertion : The air pressure in a tyre of a bus increases during driving.
Reason : The pressure of a given mass of a gas is inversely proportional to its volume.
Choose the correct choice from the following.

A

Both assertion and reason are true and reason is the correct explanation of the assertion.

B

Both assertion and reason are true but reason is not the correct explanation of the assertion .

C

Assertion is true but reason is false

D

Assertion is false but reason is true

Text Solution

Verified by Experts

The correct Answer is:
C
During driving , the pressure of air in the tyre of the bus increases due to the friction with the road and the increase in temperature of the tyre. Hence assertion is true.
When temperature increases, definitely pressure will be increased as per Charles law. Hence pressure is directly proportional to temperature . So reason is false.
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PREMIERS PUBLISHERS-KINETIC THEORY OF GASES-OTHER IMPORTANT QUESTIONS & ANSWERS (I. Multiple Choice Questions.)
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  2. One mole of an ideal gas (gamma=1.4) is compressed adiabatically , so ...

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  3. Assertion : The air pressure in a tyre of a bus increases during drivi...

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  4. Mean free path of a gas molecule is :

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  5. Root mean square speed of the molecules of ideal gas is V. If pressure...

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  6. The root mean square velocity of a gas molecule of mass m at a given t...

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  7. Select the odd man out from the following statements.

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  8. The temperature of H2 at which the rms velocity of its molecules is se...

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  9. The root mean square speed of the molecules of a diatomic gas is V. Wh...

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  10. At room temperature , the rms speed of the molecules of a centain diat...

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  11. Assertion : The root mean square and most probable speeds of the molec...

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  12. The phenomenon of Brownian movement may be taken as evidence of :

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  13. One mole of a gas occupies 22.4 lit at N.T.P Calculate the difference ...

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  14. Choose the odd man out.

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  15. Degree of freedom of a polyatomic gas is :

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  16. In an adiabatic change, the pressure and temperature of a monoatomic g...

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  17. If for a gas R/Cv = 0.67 , this gas is made up of molecules, which are...

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  18. In the given (V - T) diagram , what is the relation between pressure P...

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  19. Select the correct statement from the following statements.

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  20. Select the incorrect statement from the following statements.

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