⇦ | ⇨ |
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: - To observed diffraction, the size of the obstacle
- Out of the following which pair of quantities does not have same dimensions?
- The oscillating frequency of a cyclotron is 10 MHz. If the radius of its Dees is o.5 m,
- A particle of mass m moves with constant speed along a circular path of radius r under
- A ball is moving in a circular path of radius 5 m.If tangential acceleration
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- To observed diffraction, the size of the obstacle
- Out of the following which pair of quantities does not have same dimensions?
- The oscillating frequency of a cyclotron is 10 MHz. If the radius of its Dees is o.5 m,
- A particle of mass m moves with constant speed along a circular path of radius r under
- A ball is moving in a circular path of radius 5 m.If tangential acceleration
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