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The value of Stefan's constant is...

The value of Stefan's constant is

A

`5.67 xx10^(-8)W//m^(2)-K^(4)`

B

`5.67 xx10^(-5)W//m^(2)-K^(4)`

C

`5.67 xx10^(-11)W//m^(2)-K^(4)`

D

None of these

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The correct Answer is:
A
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Unit of Stefan's constant is

Calculate the temperature at which a perfect black body radiates at the rate of 1 W cm^(-2) , value of Stefan's constant, sigma = 5.67 xx 10^(-5) W m^(-2) K^(-8)

Calculate the temperature at which a perfect black body radiates at the rate of 1 W cm^(-2) , value of Stefan's constant, sigma = 5.67 xx 10^(-8) W m^(-2)K^(-4)

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ERRORLESS -TRANSMISSION OF HEAT-Radiation (Stefan s law)
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