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An iron ball at 40^@C is dropped in a m...

An iron ball at `40^@C` is dropped in a mug containing water at `40^@C` . The heat will

A

flow from iron ball to water.

B

not flow from iron ball to water or from water to iron ball.

C

flow from water to iron ball.

D

increase the temperature of both.

Text Solution

Verified by Experts

The correct Answer is:
B
As both are at same temperature , so there will not be any heat flow between them.
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MTG IIT JEE FOUNDATION-TEMPERATURE AND HEAT-EXERCISE (MULTIPLE CHOICE QUESTIONS)
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  2. Black bodies are

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  3. In solar cooker

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  4. Can you say which of these is the temperature inside the Sun?

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  5. A cotton filled quilt keeps a person warm in winter because

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  6. In summer, we prefer to wear

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  7. Have you seen buffaloes enjoy a dip in river or in lake on a hot summe...

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  8. The normal temperature of human body is

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  9. The heat from the sun reaches us on the earth by the process of :

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  10. Heat flows always

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  11. When you put a metal key into its metal lock, you find the key is too ...

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  12. Deepak put twenty ice cubes of the same volume into four containers pa...

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  13. An iron ball at 40^@C is dropped in a mug containing water at 40^@C ....

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  14. A wooden spoon is dipped in a cup of ice cream. Its other end

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  15. Stainless steel pans are usually provided with copper bottoms. The rea...

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  16. Which of the following statements about the expansion of matter is not...

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  17. A clinical thermometer is calibrated from

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

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  19. The equatorial and polar regions of the earth receive unequal solar he...

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  20. Which of the following is true?

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