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One likes to sit under sunshine in winte...

One likes to sit under sunshine in winter seasons, because

A

we get heat by radiation from Sun

B

we get heat by conduction by Sun

C

we get heat by conduction from Sun.

D

we get heat by conduction from Sun.

Text Solution

Verified by Experts

The correct Answer is:
B
Heat is received from sun by radiation.
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DC PANDEY-CALORIMETRY AND HEAT TRANSFER-Check points 16.4
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  5. A body, which emits radiations of all possible wavelengths, is known a...

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  6. Distribution of energy in the spectrum of a black body can be correctl...

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  7. Which of the following law states that "good absorbers of heat are goo...

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  8. The ratio of the pressure power to the absorption power of all substan...

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  9. If between wavelength lambda andlambda + dlambda, e(lambda) and a(lamb...

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  10. There is a black spot on a body. If the body is heated and carried in ...

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  11. In MKS system, Stefan's constant is denoted by sigma. In CGS system mu...

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  12. A black body radiates 20 W at temperature 227^(@)C. If temperature of ...

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  13. Two spherical black bodies of radii R(1) and R(2) and with surface tem...

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  14. A sphere has a surface area of 1.0 m^(2) and a temperature of 400 K an...

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  15. Two spheres of the same material have radii 1m and 4m and temperatures...

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  16. The area of a hole of heat furnace is 10^(-4)m^(2). It radiates 1.58xx...

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  17. If a body cools down from 80^(@) Cto 60^(@) C in 10 min when the tempe...

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  18. A block of metal is heated to a temperature much higher than the room ...

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  19. If wavelengths of maximum intensity of radiations emitted by the sun a...

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  20. The maximum wavelength of radiation emitted at 200 K is 4 μm. What wil...

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