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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
- A straight conductor 0.1 m long moves in a uniform magnetic field 0.1 T.
- If the length of a stretched string is shortened by 4% and the tension is increased
- A single slit Fraunhogger diffraction pattern is formed with white light.
- The flux linked with a circuit is given by φ=t³+3t-7. The graph between time
- A ball of mass 2 kg and another of mass 4 kg are dropped together from
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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