According to stefan's law of radiation a black body radiates energy `sigmaT^(4)` from is unit surface area every second where `T` is the surface temperature of the black body and `sigma = 5.67 xx 10^(-8) W//m^(2) K^(4)` is known as Stefan's of as a ball of radius `0.5m` When detonated it reaches temperature of `10^(6)K` and can be treated as a black body Estimate the power it radiates .

According to Stefan's law of radiation, a black body radiates energy sigmaT^4 from its unit surface area every second where T is the surface temperature of the black body and sigma = 5.67 xx 10^-8 W//m^2 K^4 is known as Stefan's constant. A nuclear weapon may be thought of as a ball of radius 0.5 m. When detonated, it reaches temperature of 10^6 K and can be treated as a black body. Estimate the power it radiates

According to Stefan's law of radiation, a black body radiates energy sigmaT^(4) from its unit surface area every second where T is the surface temperature of the black body and sigma=5.67xx10^(-8)W//m^(2)K^(4) is known as Stefan's constant. A nuclear weapon may be thought of as a ball of radius 0.5 m. When detonated, it reaches temperature of 10^(6) K and can be treated as a black body. Estimate the power it radiates.

According to Stefan's law of radiation, a black body radiates energy sigmaT^(4) from its unit surface area every second where T is the surface temperature of the black body and sigma=5.67xx10^(-8)W//m^(2)K^(4) is known as Stefan's constant. A nuclear weapon may be thought of as a ball of radius 0.5 m. When detonated, it reaches temperature of 10^(6) K and can be treated as a black body. If all this energy U is in the form of radiation, corresponding momentum is p=U/c . How much momentum per unit time does it impart on unit area at a distance of 1 km ?

According to Stefan's law of radiation, a black body radiates energy sigmaT^(4) from its unit surface area every second where T is the surface temperature of the black body and sigma=5.67xx10^(-8)W//m^(2)K^(4) is known as Stefan's constant. A nuclear weapon may be thought of as a ball of radius 0.5 m. When detonated, it reaches temperature of 10^(6) K and can be treated as a black body. If surrounding has water at 30^(@)C , how much water can 10% of the energy produced evaporate in 1 s ? [S_(w)=4186.0" J/kg K and "L_(v)=22.6xx10^(5)" J/kg"] .

Ac cording to Stefan' law of radiation, a black body radiates energy sigma T^4 from its unit surface area every second where T is the surface temperature of the black body and sigma = 5.67 xx 10^(-8) W//m^2 K^4 is known as Stefan's constant. A nuclear weapon may be thought of as a ball of radius 0.5 m When detoneted, it reachs temperature of 10^6 K and can be treated as a black body. (a) Estimate the power it radiates. (b) if surrounding has water at 30^@C how much water can 10% of the energy produced evaporate in 1s ? [s_w = 4186.0 J//Kg K and L_(upsilon) = 22.6 xx 10^5 J//kg] (c ) If all this energy U is in the form of radiation, corresponding momentum is p = U//c. How much momentum per unit time does it impart on unit area at a distance of 1 km ?

Ac cording to Stefan' law of radiation, a black body radiates energy sigma T^4 from its unit surface area every second where T is the surface temperature of the black body and sigma = 5.67 xx 10^(-8) W//m^2 K^4 is known as Stefan's constant. A nuclear weapon may be thought of as a ball of radius 0.5 m When detoneted, it reachs temperature of 10^6 K and can be treated as a black body. (a) Estimate the power it radiates. (b) if surrounding has water at 30^@C how much water can 10% of the energy produced evaporate in 1s ? [s_w = 4186.0 J//Kg K and L_(upsilon) = 22.6 xx 10^5 J//kg] (c ) If all this energy U is in the form of radiation, corresponding momentum is p = U//c. How much momentum per unit time does it impart on unit area at a distance of 1 km ?

Calculate temperature at perfectly black body radiates energy at the rate 5.67 xx 10^4 W/m^2 .

Assuming that the sun radiates as a black body, calculate the energy radiated per minute by unit area of its surface. Surface temperature of the sun = 5727^@C and Stefan's constant = 5.7 xx10^-8 Jm^-2K^-4s^-1 .