A black body radiates energy at the rate of E W/ m^2 at a high temperature T K. When the temperture is reduced to T/2 K
Sahay Sir > Question Answers > A black body radiates energy at the rate of E W/ m^2 at a high temperature T K. When the temperture is reduced to T/2 K
Consider two hot bodies B1 and B2 which have temperature 100∘C and 80∘C respectively at t = 0. The temperature of surroundings is 40∘ C. The ratio of the respective rates of cooling R1 and R2 of these two bodies at = 0 will be
04
Oct
Consider two hot bodies B1 and B2 which have temperature 100∘C and 80∘C respectively at t = 0. The temperature of surroundings is 40∘ C. The ratio of the respective rates of cooling R1 and R2 of these two bodies at = 0 will be A black body radiates energy at the rate of E [...]
The rectangular surface of area 8 cm × 4 cm of a black body at a temperature of 127 0 C emits energy at the rate of E per second. If the length and breadth of the surface are each reduced to half of the initial value and the temperature is raised 327 o C, the rate of emission of energy will become
04
Oct
The rectangular surface of area 8 cm × 4 cm of a black body at a temperature of 127 0 C emits energy at the rate of E per second. If the length and breadth of the surface are each reduced to half of the initial value and the temperature is raised 327 o C, [...]
A black body radiates energy at the rate of E W/ m^2 at a high temperature T K. When the temperture is reduced to T/2 K, the radiant energy will be………
04
Oct
A black body radiates energy at the rate of E W/ m^2 at a high temperature T K. When the temperture is reduced to T/2 K, the radiant energy will be……… A black body radiates energy at the rate of E W/ m^2 at a high temperature T K. When the temperture is reduced to [...]