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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: - The ratio of speed of an electron in ground state in Bohr’s first orbit of hydrogen atom
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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
- The ratio of speed of an electron in ground state in Bohr’s first orbit of hydrogen atom
- For a satellite moving in an orbit around the earth, the ratio of kinetic
- The molar specific heats of an ideal gas at constant pressure and volume are denoted
- At the first minimum adjacent to the central maximum of a single-slit diffraction
- An electron moving in a uniform magnetic field of induction of intensity B,
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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