Tag: energy production
Questions Related to energy production
An ideal black body is a :
Which of the following is more close to a black body?
Initially a black body at absolute temperature $T$ is kept inside a closed chamber at absolute temperature $T _{o}$. Now the chamber is slightly opened to allow sun rays to enter. It is observed that temperatures $T$ and $T _{o}$ remains constant.Which of the following statement is/are true?
An ideal black body at room temperature is thrown in a furnace. It is observed that
A spherical body of area A and emissivity $e = 0.6$ is kept inside a perfectly black body. Total heat radiated by the body at temperature $T$
Emissivity of a perfect black body is
Radiation coming from the hole of a Ferry's Black body is called
Which of the following is an example of a black body radiation?
The Wien's displacement law for a black body is
($T$ is the absolute temperature in $K$
$b$ is a constant of proportionality
$e$ is the emissivity of the black body)