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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
- With the decrease of current in the primary coil from 2 amperes to zero value
- A particle moving along X-axis has acceleration f,at time t given by f=fₒ(1- t/T)
- A long wire carrying a steady current is bent into a circular loop of one turn.
- When you make ice cubes, the entropy of water
- Two nuclei have their mass numbers into the ratio of 1:3
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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