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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: - The following four wires are made of the same material. Which of these will have
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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 following four wires are made of the same material. Which of these will have
- A thin circular ring of mass M and radius R rotates about an axis through its centre
- Magnetic flux φ (in weber) linked with a closed circuit of resistance 10 Ω varies
- If a carnot engine is working with source temperature at 227⁰C and sink
- Pure Si at 500 K has equal number of electron (nₑ) and hole (nₕ) concentrations
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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