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Two rods of same length and material tra...

Two rods of same length and material transfer a given amount of heat in 12 seconds, when they are joined end to end. But when they are joined lengthwise, then they will transfer same heat in same conditions in

A

24 s

B

3 s

C

1.5 s

D

48 s

Text Solution

Verified by Experts

The correct Answer is:
b
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CHETAN PUBLICATION-HEAT-Choose and write the correct option:
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  7. If the radius and length of a copper rod are both doubled, the rate of...

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  8. Two identical plates of different metals are joined to form a single p...

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  9. The specific heat capacity of water is cal//g^(@)C

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  10. When water boils and is converted into steam, then .

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  11. The coefficients of thermal conductivity of copper, mercury and glass ...

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  13. Which of the following is a correct relation?

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  17. If two metallic plates of equal thickness and thermal conductivities K...

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  19. The unit of reaction rate constant depends upon the

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