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Perfectly black body radiates the energy 18 J/s at 300K. Another ordinary body of e=0.8 having same are at 500K will radiate
Options
(a) 111 J/s
(b) 421 J/s
(c) 321 J/s
(d) 221 J/s
Correct Answer:
111 J/s
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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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
- At place on earth, the vertical component of earth’s magnetic field is √3 times
- If two electric bulbs have 40 W and 60 W ratings at 220 V, then the ratio
- The mass number of nucleus is always
- The 6563 Å line emitted by hydrogen atom in a star is found to be red shifted by 5Å
- If the focal length of objective lens is increased, then magnifying power of
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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