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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: - Consider two nuclei of the same radioactive nuclide. One of the nuclei was created
- A man goes 10 m towards north, then 20m towards east, the displacement is
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Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Consider two nuclei of the same radioactive nuclide. One of the nuclei was created
- A man goes 10 m towards north, then 20m towards east, the displacement is
- Which is correct relation?
- An electric dipole of moment ‘p’ is placed in an elecatric field of intensity ‘E’
- A boy is trying to start a fire by focusing sunlight on a piece of paper using
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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