JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

1 Medium

1 of 1

Remembering +4 | -1

For a perfectly black body the energy radiated per unit time per unit area is directly proportional to

View answer and explanation

Correct option: D

The fourth power of absolute temperature

Option D (The fourth power of absolute temperature) is correct because, according to the Stefan-Boltzmann law, the energy radiated per unit time per unit area by a black body is proportional to the fourth power of its absolute temperature.

More Questions from THERMAL PROPERTIES OF MATTER

Practice All Chapter MCQs →

In the relation

n = \frac{{PV}}{{RT}},n =

Mud houses are cooler in summer and warmer in winter because For cooking the food, which of the following type of utensil is most suitable Which of the following statements is correct? 300 gm of water at

{25^0}

is added to 100 g of ice at

{0^0}C

. The final temperature of the mixture is A black body radiates energy at the rate of

E\,\,W{m^{ - 2}}

at a high temperature T K. When the temperature is reduced to

\left( {\frac{T}{2}} \right)K

the radiant energy is