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Why Sun is considered as perfect black b...

Why Sun is considered as perfect black body ? Explain and also Explain the importance of study of black body radiation.

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All the wavelengths are included in the radiation emitting out of Sun, so that it is called perfect black body.
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KUMAR PRAKASHAN-THERMAL PROPERTIES OF MATTER-Section - C Objective Questions (VSQs)
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  3. On what value of alpha(V) depends ? Write its unit.

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  4. On which fcator does the thermal conductivity depend ?

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  5. On what the value of heat capacity depends ?

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  6. On which factor does the required amount of heat depend to increase te...

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  7. Write dimensional formula of heat capacity.

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  8. By what the temperature difference can be determined if the state of s...

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  9. Why water is used as coolant in automobile radiator ?

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  10. Why the water is used in the rubber bag for the fomentation on body ?

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  11. Why the winds coming from sea are cool in summer ?

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  12. Why the land of desert gets hotter in day time and colder in night tim...

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  13. What is the effect of pressures on boiling point of water ?

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  14. Why we get burnt more by steam than boiling water ?

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  15. What is called forced convection ?

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  16. What is called natural convection ?

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  17. ''Perfect black body is black in colour''. Is this statement true or f...

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  18. Why Sun is considered as perfect black body ? Explain and also Explain...

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  19. Write the value and dimensional formula of Stefan - Boltzmaan constant...

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  20. It substance of T temperature is kept in surrounding of T temperature,...

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