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(A) : Specific heat is known as thermal ...

(A) : Specific heat is known as thermal inertia.
( R) : The body having higher specific heat cools very slowly and gets heated up very slowly and vice versa.

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IB
  1. (A) : Specific heat of a body is always greater than its thermal capac...

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  2. (A) : The molecules at 0^(@)C ice and 0^(@)C water will have same pote...

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  3. (A) : Specific heat is known as thermal inertia. ( R) : The body hav...

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  4. (A) : Stainless steel cooking pans are prefered with extra copper bott...

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  5. (A) : Snow is a better insulator than ice ( R) : Snow contains air p...

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  6. (A) : When temperature difference across the two sides of a wall is in...

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  7. (A) : Two layers of cloth of same thickness provide warmer covering th...

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  8. (A) : Heat transfer always involves temperature difference between two...

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  9. (A) : Greater is the coefficient of thermal conductivity of a material...

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  10. (A) : During solar eclipse, the solar spectrum is an emission spectrum...

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  11. (A) : Convection involves flow of matter with in a fluid due to unequa...

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  12. (A) : Winter nights are warmer when clouds cover the sky ( R) : Clou...

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  13. (A) : All black coloured objects are considered as black bodies. ( R...

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  14. (A) : 'Green houses' which are used to keep the plants in warm atmosph...

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  15. (A) : The radiation from the sun's surface varies as the fourth power ...

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  16. (A) : Animals curl into a ball, when they feel very cold. ( R) : Ani...

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  17. (A) : A body that is a good radiator is also a good absorber of radiat...

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  18. (A) : For higher temperature, the peak emission wavelength of a black ...

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  19. (A) : Temperatures near the sea coast are moderate. ( R) : Water has...

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  20. (A) : It is hotter over the top of a fire than at the same distance on...

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