Heat and Temperature and its effects — task. Science State Board, Class 10.

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In the given exercise, an sssertion is followed by the corresponding reason. Mark the suitable answer from the given options:

1.

Assertion:	There are no effects on other ends when the one end of the rod is only heated.
Reason:	Heat always flows from a region of higher temperature to lower temperature of the rod.

(A) Both the assertion and the reason are true and the reason is the correct explanation of the assertion.
(B) Both the assertion and the reason are true but the reason is not the correct explanation of the assertion.
(C) Assertion is true but the reason is false.
(D) Assertion is false but the reason is true.

2.

Assertion:	As the temperature of a gas increases the K.E of molecules increases, but P.E. decreases.
Reason:	Due to the law of conservation of energy.

(A) Both the assertion and the reason are true and the reason is the correct explanation of the assertion.
(B) Both the assertion and the reason are true but the reason is not the correct explanation of the assertion.
(C) Assertion is true but the reason is false.
(D) Assertion is false but the reason is true.

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