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Statement-1: Snow is better insulator th...

Statement-`1`: Snow is better insulator than ice.
Statement -`2` : Snow contain air packet and air is a bad conductor of heat.

A

Statement -`1` is True , Statement -`2` is True , Statement -`2` is correct explanation for Statement - `1`

B

Statement -`1` is True , Statement -`2` is True , Statement -`2` is not correct explanation for Statement - `1`

C

Statement -`1` is True , Statement -`2` is False.

D

Statement -`1` is False , Statement -`2` is True.

Text Solution

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The correct Answer is:
A
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ALLEN-GEOMETRICAL OPTICS-ASSERTION-REASON
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  3. Statement-1: Potential energy of water at 0^(@)C is more than ice at 0...

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  4. Statement-1: When an electric fan is switched on in a closed room, the...

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  5. Statement-1: Snow is better insulator than ice. Statement -2 : Snow ...

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  6. Assertion : Animals curl into a ball, when they feel very cold. Re...

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  7. Statement-1: A sphere, a cube and a thin circular plate made of same m...

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  8. Statement-1: High thermal conductivity of metals is due to presence of...

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  9. Statement -1 : Liquids usually expand more than solids. Statement-2:...

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  10. Statement-1: Water is considered unsuitable for use in thermometers. ...

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  11. Statement-1: Temperature of a rod is increased and again cooled to sam...

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  12. Statement-1: Coolant coils are fitted at the top of a refrigerator , f...

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  13. STATEMENT-1 For observing traffic at our back, we prefers to use a con...

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  14. STATEMENT-1 A convex lens may be diverging STATEMENT -2 The nature o...

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  15. STATEMENT-1 Hollow prism forms no spectra as a solid equilateral pris...

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  16. Statement-I : Sun glasses have zero power even through their surfaces ...

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  17. Statement-I : 11 English alphabets do not show lateral inversion. an...

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  18. Assertion : The images formed by total internal reflections are much b...

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  19. Assertion:Image formed by concave lens is not always virtual. Reason...

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  20. Statement-1 The formula connecting u,v and f for a spherical mirror is...

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