The rate of radiation of energy from a hot ob | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) According to Kirchhoff's law of radiation,good absorbers of radiation are also good emitters of radiation.$A$ perfectly black body is the best abs

Vedclass · Accepted Answer

Black and rough

Vedclass · Answer

(B) According to Kirchhoff's law of radiation,good absorbers of radiation are also good emitters of radiation.$A$ perfectly black body is the best absorber of radiation,and therefore,it is also the best emitter of radiation.Rough surfaces have a higher effective surface area for emission compared to smooth surfaces.Therefore,a surface that is black and rough will have the maximum rate of energy radiation.

The rate of radiation of energy from a hot object is maximum,if its surface is ...........

Similar Questions

When a body has the same temperature as that of its surroundings,which of the following statements is true?

An ideal black body at room temperature is thrown into a furnace. It is observed that:

Which of the following is closest to a black body?

The absorption coefficient of an open window is:

Shown below are the black body radiation curves at temperatures $T_1$ and $T_2$ $(T_2 > T_1)$. Which of the following plots is correct?

Vedclass Test Series

Exam Paper Generator

Online Exam Module