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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
- In the elastic collision of objects
- A spring balance is attached to the ceiling of a lift.A man hangs his bag on the spring
- If fundamental frequency of closed pipe is 50 Hz then frequency of 2nd overtone
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
- The periodic waves of intensities I₁ and I₂ pass through a region at the same time
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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