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

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Choose the best answer for the following assertion and reason question:

1.

Assertion:	There are small effects on other ends when the one end of the rod is only heated.
Reason:	Heat always flows from a region of lower temperature to higher 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 decreases the molecules are moving in a rapid phase.
Reason:	The temperature of the substance is the approximation of the average kinetic energy of the substance.

(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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