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Statement - I : A hallow metallic closed...

Statement - I : A hallow metallic closed containes maintained at a uniform temperature can act as a source of black body radiation.
Statement - II All metals act as a black body

A

Statement - I is true, Statement - II is true and Statement - I is correct explanation for Statement - II.

B

Statement - I is true, Statement - II is true and Statement - II is not correct explanation of Statement - I.

C

Statement - I is true, Statement - II is false.

D

Statement - I is false, Statement - II is false.

Text Solution

Verified by Experts

The correct Answer is:
C

Statement I is true and statement II is false.
So correct choice is (c ).
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MODERN PUBLICATION-TRANSFERENCE OF HEAT -Multiple Choice Questions (Level - II)
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  2. Statement - I : It is hotter above the top of a fire than at some dist...

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  3. Statement - I : A hallow metallic closed containes maintained at a uni...

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  4. Statement - I : The absorbtance of a perfact black body is unity. S...

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  5. Raed the following passage and and answer the following questions. S...

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  6. A body cools from 50^(@)C to 40^(@)C in 5 minutes and from 40^(@)C to ...

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  7. Time taken by the body to cool from 45^(@)C to 35^(@)C is

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  8. The plots of intensity versus wavelength for three black bodies at tem...

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  9. Two spheres of the same material have radii 1 m and 4 m and temperatur...

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  10. The graph shown in the adjacent diagram, represents the variation of t...

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  11. Three discs A, B and C having radii 2m, 4 m and 6 m respectively are c...

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  12. Two identical conducting rods are first connected independently to two...

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  13. A radiation of energy E falls normally on a perfectly reflecting surfa...

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  14. A body with area A at maintained temperature T and emissivity e=0.6 is...

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  15. Ice starts forming in a lake water at 0^(@)C when the atmospheric temp...

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  16. A body is placed in an insulating container at temperature 227^(@)C. I...

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  17. A cylindrical rod is having temperature T(1) and T(2) at its ends. The...

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  18. The rate of cooling at 600 K, if surrounding tempearture is 300 K is R...

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  19. One end of a copper rod of length 1.0m and area of cross-section 10^(-...

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  20. Consider a compound slab consisting of two different materials having ...

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