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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 number of photons of wavelength of 540 nm emitted per second by an electric bulb
- Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface
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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 number of photons of wavelength of 540 nm emitted per second by an electric bulb
- Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface
- A drum of radius R and mass M, rolls down without slipping along an inclined plane
- Which one of the following statement is FALSE ?
- A source and an observer approach each other with same velocity 50 m/s. If the frequency
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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