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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: - A solid which is transparent to visible light and whose conductivity increases
- Energy of all molecules of a monoatomic gas having a volume V and pressure P is 3PV/2.
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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 solid which is transparent to visible light and whose conductivity increases
- Energy of all molecules of a monoatomic gas having a volume V and pressure P is 3PV/2.
- When radiation is incident on a photoelectron emitter,
- A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that
- Radiofrequency choke uses core 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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