| ⇦ | 
| ⇨ |
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: - Sound waves travel at 350m/s through a warm air and at 3500 m/s through brass
- Sound production from tape recorder makes use of
- A satellite is launched into a circular orbit of radius R around earth while
- What determines the nature of the path followed by the particle?
- A charged particle experiences magnetic force in the presence of magnetic field.
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Sound waves travel at 350m/s through a warm air and at 3500 m/s through brass
- Sound production from tape recorder makes use of
- A satellite is launched into a circular orbit of radius R around earth while
- What determines the nature of the path followed by the particle?
- A charged particle experiences magnetic force in the presence of magnetic field.
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