| ⇦ | 
| ⇨ |
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 drift velocity of free electrons in a conductor is v, when a current
- The ultimate individual unit of magnetism in any magnet is called
- The following four wires are made of the same material. Which of these will have
- When 10¹⁹elecrons are removed from a neutral metal plate through some process,
- If the dipole moment of a short bar magnet is 1.25 A-m², the magnetic field on its
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The drift velocity of free electrons in a conductor is v, when a current
- The ultimate individual unit of magnetism in any magnet is called
- The following four wires are made of the same material. Which of these will have
- When 10¹⁹elecrons are removed from a neutral metal plate through some process,
- If the dipole moment of a short bar magnet is 1.25 A-m², the magnetic field on its
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