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The ends of a metal bar of constant cros...

The ends of a metal bar of constant cross-sectional area are maintained at temperatures `T_1 and T_2` which are both higher than the temperature of the surroundings. If the bar is unlagged, which one of the following sketches best represents the variation of temperature with distance along the bar ?

A

B

C

D

Text Solution

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The correct Answer is:
C
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MOTION-HEAT - 1-EXERCISE - 1 Objective Problems | JEE Main
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  2. Two rods A and B of different materials but same cross section are joi...

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  3. The ends of a metal bar of constant cross-sectional area are maintaine...

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  4. The wall with a cavity consists of two layers of brick separated by a ...

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  5. A rod of length L and uniform cross-sectional area has varying thermal...

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  6. A wall has two layers A and B, each made of different material. Both t...

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  7. Two metal cubes with 3 cm-edges of copper and aluminium are arranged a...

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  8. Two identical square rods of metal are welded end to end as shown in f...

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  9. A wall consists of alternating blocks withlength 'd' and coefficient o...

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  10. A cylinder of radius R made of a material of thermal conductivity K1 i...

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  11. From a black body, radiation is not :

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  12. In accordance with Kirchhoff’s law. Which of the following is incorrec...

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  13. The energy radiated by a body does not depends on

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  14. A polished metallic piece and a black painted wooden piece are kept i...

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  15. Nature of thermal radiations is similar to the nature of -

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  16. Heat radiation exhibit the phenomenon of polarization which means that...

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  17. Following is not a property of radiation –

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  18. Transfer of heat in friction is by –

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  19. Which of the following surface will emit least heat radiation –

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  20. Emissive power of any surface (e), Absorptive power (a), Reflecting po...

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