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If a star is colder than the Sun it appe...

If a star is colder than the Sun it appears

A

Yellow

B

Red

C

Blue

D

Violet

Text Solution

Verified by Experts

The correct Answer is:
B
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NARAYNA-TRANSMISSION OF HEAT-C .U .Q
  1. Four pieces of iron are heated to different are respectively red, yell...

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  2. A star which appears blue will be

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  3. If a star is colder than the Sun it appears

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  4. The amount of radiation emitted by a perfectly black body is proportio...

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  5. At a given temperature the ratio between emissive power and absorptive...

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  6. If the sun become twice hotter it will radiate .

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  7. Three identical shperes of different meterials iron gold and silver ar...

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  8. Cooling graphs are drawn for three liquids a,b and c The specific heat...

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  9. A black body of temperature T is inside a chamber of temperature T(0) ...

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  10. The rate of cooling of a body is .

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  11. A cube a sphere and a circular plate made of same meterial and having ...

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  12. Newton's law of cooling is applied in laboratory for the determination...

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  13. Newton's law of cooling is a special case of .

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  14. The amount of heat energy radiated per second by a surface depends upo...

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  15. Four identical copper cylinders are painted If they are all heated to ...

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  16. If T(B) and T(s) are the temperatures of the body and the surroundings...

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  17. Newton's law of cooling is a law connected with .

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  18. Newton's law of cooling holds good provided the temperature difference...

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  19. A block of steel heated to 100^(@)C is left in a room to cool Which of...

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  20. Let there be four articles having colours blue red black and white. Wh...

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