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Find out the temperature at distance 5 ...


Find out the temperature at distance 5 m.

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Heat current is same. So.
`(T_a-T_i)/(l)=(T_H-T)/(x) rArr (80-20)/(9)=(80-T)/(5)`

`T=(140)/(3)^@ C`
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MOTION-HEAT - 1-EXERCISE -4 (Level - II) Previous Year | JEE Advanced
  1. Find out the temperature at distance 5 m.

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  2. Three graphs marked as 1,2,3 representing the variation of maximum emi...

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  3. In which of the following process, convection does not take place pri...

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  4. 2 litres water at 27^(@)C is heated by a 1kW heater in an open contain...

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  5. A spherical body of area A, and emissivity e = 0.6 is kept inside a bl...

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  6. 1 calorie is the heat required to increased the temperature of 1 gm of...

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  7. In a dark room with ambient temperature T(0), a black body is kept at ...

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  8. In a insulated vessel, 0.05 kg steam at 373 K and 0.45 kg of ice at 25...

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  9. Column I gives some devices and Column II gives some processes on whic...

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  10. A metal rod AB of length 10x has its one end A in ice at 0^@C, and the...

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  11. A piece of ice (heat capacity =2100 J kg^(-1) .^(@)C^(-1) and latent h...

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  12. A composite block is made of slabs A,B,C,D and E of different thermal ...

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  13. Three very large plates of same area are kept parallel and close to ea...

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  14. Two rectangular blocks, having identical dimensions, an be arranged ei...

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  15. The figure below shows the variation of specific heat capacity (C) of ...

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  16. Parallel rays of light of intensity I=912 WM^-2 are incident on a sphe...

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  17. Two spherical stars A and B emit blackbody radiation. The radius of A ...

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  18. A water cooler of storages capacity 120 liters can cool water at a con...

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  19. A metal is heated in a furnace where a sensor is kept above the metal ...

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  20. A human body has a surface area of approximately 1 m^2. The normal bod...

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  21. Two conducting cylinders of equal length but different radii are conne...

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