| ⇦ | 
| ⇨ |
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 particle doing SHM has amplitude=4 cm and time period = 12 sec. The ratio between times
- A body with mass 5 kg is acted upon a force F=(-3i+4j) N.If its initial velocity at
- Which of the following is a vector quantity?
- A ball is dropped into a well in which the water level is at a depth h below the top
- When a magnet is taken towards a coil, the induced e.m.f. depends on
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle doing SHM has amplitude=4 cm and time period = 12 sec. The ratio between times
- A body with mass 5 kg is acted upon a force F=(-3i+4j) N.If its initial velocity at
- Which of the following is a vector quantity?
- A ball is dropped into a well in which the water level is at a depth h below the top
- When a magnet is taken towards a coil, the induced e.m.f. depends on
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