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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
- Volume of gas becomes four times if temperature becomes
- A nucleus of uranium decays at rest into nuclei of thrrium and helium. Then
- The radius of gyration of a solid sphere of radius r about a certain axis is r
- A condenser of capacity C is charged to a potential difference of V₁. The plates
- A body of mass 3 kg acted upon by a constant force is displaced by S meter
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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