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Statement-1: The size of a hydrogen incr...

Statement-1: The size of a hydrogen increases as it rises in air.
Statement-2: The material of the balloon can be easily stretched.

A

If both Assertion `&` Reason are True `&` the Reason is a correct explanation of the Assertion.

B

If both Assertion `&` Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False.

D

If both Assertion `&` Reason are False.

Text Solution

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The correct Answer is:
B
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These questions consist two statements each, printed as Assertion and reason, while answering these question you are required to choose any one of the following four responsis: (a) If both the assertion and reason are true and reason is a true explanation of the assertion. (b) If both the assertion and reason are true but the reason is not the correct explanation of assertion. (c ) If the assertion is true but reason is false. (d) If both the assertion and reason are false. Q. Assertion: The size of hydrogen bolloon increases as it rises in air. Reason: The material of the bolloon can easily stretched.

Statement-1 : Light travels faster in glass than in air. Statement-2 : Because air is rarer than glass.

Statement-1: The angle of contact of a liquid decrease with increase in temeperature Statement-2: With increase in temperature the surface tension of liquid increase.

Statement A: The melting point of water decreases with increasing pressure. Statement B : The boiling point of water rises with rising pressure.

Statement-1: Nuclei of different atom have same size Statement-2: R=R_(0)A^(1//3)

Statement-1 : Sound travels faster in moist air Statement-2 : The density of moist air is less then density of dry air.

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  17. Assertion:- For Reynolds number R(e)gt2000m, the flow of fluid is turb...

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