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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.
Related Questions: - If vₑ is escape velocity and vₙ is orbital velocity of a satellite
- A charged oil drop is suspended in a uniform field at 3×10⁴ V/m so that it neither falls
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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
- If vₑ is escape velocity and vₙ is orbital velocity of a satellite
- A charged oil drop is suspended in a uniform field at 3×10⁴ V/m so that it neither falls
- Three identical spherical shells, each of mass m and radius r are placed
- Two resistances 3Ω and 6Ω are connected in parallel
- The force of repulsion between two electrons at a certain distance is F.
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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