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A black body at a temperature of 227⁰C radiates heat at a rate of 20 cal m⁻²s⁻¹. When its temperature is raised to 727⁰C, the heat radiated by it in cal m⁻²s⁻¹ will be closest to
Options
(a) 40
(b) 160
(c) 320
(d) 640
Correct Answer:
320
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
- A particle is executing SHM along a straight line. Its velocities at distances
- A layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m².
- The order of distance of an electron revolving in an atom from nucleus is
- If a magnetic substance is brought near the north or the south pole of a bar magnet
- An electron moving in a circular orbit of radius r makes n rotations per second.
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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