| ⇦ | 
| ⇨ |
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: - A spherical planet has a mass Mp and diameter Dp. A particle of mass
- The potential energy of a system increases if work is done
- A piece of marble is projected from the earth’s surface with velocity of 50 m/s
- The number of photons of wavelength of 540 nm emitted per second by an electric bulb
- Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radius
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A spherical planet has a mass Mp and diameter Dp. A particle of mass
- The potential energy of a system increases if work is done
- A piece of marble is projected from the earth’s surface with velocity of 50 m/s
- The number of photons of wavelength of 540 nm emitted per second by an electric bulb
- Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radius
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