| ⇦ | 
| ⇨ |
A black body is at 727⁰C. It emits energy at a rate which is proportional to
Options
(a) (1000)⁴
(b) (1000)²
(c) (727)⁴
(d) (727)²
Correct Answer:
(1000)⁴
Explanation:
According to Stefan’s law, E α T⁴
E α (t + 273)⁴ K [723⁰C = (727 + 273)K]
E α (727 + 273)⁴ K
E α (1000)⁴ K
Related Questions: - The maximum kinetic energy of the photoelectrons depends only on
- The wave function (in SI unit) for a light wave is given as Ψ(x,t)= 10³ sin π
- A tuning fork A produces 4 beats per second with another tuning fork B of frequency
- The wing span of an aeroplane is 20 m. It is flying in a field where the vertical
- In a thermodynamic system, working substance is ideal gas. Its internal energy
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The maximum kinetic energy of the photoelectrons depends only on
- The wave function (in SI unit) for a light wave is given as Ψ(x,t)= 10³ sin π
- A tuning fork A produces 4 beats per second with another tuning fork B of frequency
- The wing span of an aeroplane is 20 m. It is flying in a field where the vertical
- In a thermodynamic system, working substance is ideal gas. Its internal energy
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply