Assertion :A change in the temperature of a body causes change in its dimensions. Reason: The dimensions of a body decrease due to the increase in its temperature.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
When there is an increase in the temperature of the body, the molecules move far away from one another and due to this the expansion pf the material takes place.
Substance expand on heating and contract on cooling.

Assertion is correct but the reason is incorrect.

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Similar questions

Assertion (A) Rate constant determined from Arrhenius equation are fairly accurate for simple as well as complex molecules.

Reason (R) Reactant molecules undergo chemical change irrespective of their orientation during collision.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Q. Assertion
If BOD level of water in reservoir is less than 5 ppm it is not polluted.

Reason
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Q. Assertion: The compressibility factor for

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and

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Reason: The compressibility factor for

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ASSERTION: n-Pentane and n-Hexane belong to a homologous series.

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Reason : Its deficiency causes pernicious anaemia

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