| ⇦ | 
| ⇨ |
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: - An oscillator circuit consists of an inductance of 0. mH and a capacitor of 20 μF.
- A photocell employs photoelectric effect to convert
- If the angular momentum of any rotating body increase by 200 % , then the increase
- 4 point charges each +q is placed on the circumference of a circle
- An α-particle of energy 5 MeV is scattered through 180⁰ by a fixed uranium nucleus.
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An oscillator circuit consists of an inductance of 0. mH and a capacitor of 20 μF.
- A photocell employs photoelectric effect to convert
- If the angular momentum of any rotating body increase by 200 % , then the increase
- 4 point charges each +q is placed on the circumference of a circle
- An α-particle of energy 5 MeV is scattered through 180⁰ by a fixed uranium nucleus.
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