About black body radiation,which of the following is the wrong statement?

  • A
    For all wavelengths,intensity is same.
  • B
    For shorter wavelengths,intensity is more.
  • C
    For longer wavelengths,intensity is less.
  • D
    All wavelengths are emitted by a black body.

Explore More

Similar Questions

$A$ spherical body of emissivity $e = 0.6$ placed inside a perfect black body is maintained at temperature $T$. The energy radiated per second by the body will be:

Difficult
View Solution

Define thermal radiation and radiant energy and explain Prevost's theory of heat exchange.

Which of the following statements is true for a perfectly black body?

Heat energy is incident on the surface of a material at the rate of $1000 \ J \ min^{-1}$. If the coefficient of absorption is $0.8$ and the coefficient of reflection is $0.1$,then the amount of heat energy transmitted through the material in $5$ minutes is: (in $J$)

Heat radiations propagate with the speed of

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo