149599 The tungsten filament of an electric lamp has a surface area $A$ and a power rating $P$. If the emissivity of the filament is $\in$ and $\sigma$ is Stefan's constant, the steady temperature of the filament will be

149607 Three very large plates of same area are kept parallel and close to each other. They are considered as ideal black surfaces and have very high thermal conductivity. First and third plates are maintained at absolute temperatures $2 T$ and $3 T$ respectively.
Temperature of the middle plate in steady state is $\mathbf{s}$

149591 Evening Sun is not as hot as the mid day sun. What is the reason?

149443 For any material, if $R, T$ and $A$ represent the reflection coefficient, transparent coefficient and absorption coefficient respectively, then for a blackbody which one of the following is true

149599 The tungsten filament of an electric lamp has a surface area $A$ and a power rating $P$. If the emissivity of the filament is $\in$ and $\sigma$ is Stefan's constant, the steady temperature of the filament will be

149607 Three very large plates of same area are kept parallel and close to each other. They are considered as ideal black surfaces and have very high thermal conductivity. First and third plates are maintained at absolute temperatures $2 T$ and $3 T$ respectively.
Temperature of the middle plate in steady state is $\mathbf{s}$

149591 Evening Sun is not as hot as the mid day sun. What is the reason?

149443 For any material, if $R, T$ and $A$ represent the reflection coefficient, transparent coefficient and absorption coefficient respectively, then for a blackbody which one of the following is true

149599 The tungsten filament of an electric lamp has a surface area $A$ and a power rating $P$. If the emissivity of the filament is $\in$ and $\sigma$ is Stefan's constant, the steady temperature of the filament will be

149607 Three very large plates of same area are kept parallel and close to each other. They are considered as ideal black surfaces and have very high thermal conductivity. First and third plates are maintained at absolute temperatures $2 T$ and $3 T$ respectively.
Temperature of the middle plate in steady state is $\mathbf{s}$

149591 Evening Sun is not as hot as the mid day sun. What is the reason?

149443 For any material, if $R, T$ and $A$ represent the reflection coefficient, transparent coefficient and absorption coefficient respectively, then for a blackbody which one of the following is true

149599 The tungsten filament of an electric lamp has a surface area $A$ and a power rating $P$. If the emissivity of the filament is $\in$ and $\sigma$ is Stefan's constant, the steady temperature of the filament will be

149607 Three very large plates of same area are kept parallel and close to each other. They are considered as ideal black surfaces and have very high thermal conductivity. First and third plates are maintained at absolute temperatures $2 T$ and $3 T$ respectively.
Temperature of the middle plate in steady state is $\mathbf{s}$

149591 Evening Sun is not as hot as the mid day sun. What is the reason?

149443 For any material, if $R, T$ and $A$ represent the reflection coefficient, transparent coefficient and absorption coefficient respectively, then for a blackbody which one of the following is true