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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
- If (range)² is 48 times (maximum height)², then angle of projection is
- On the horizontal surface of a truck a block of mass 1 kg is placed (µ=0.6) and truck
- Penetrating power of X-rays does not depend on
- A 100Ω resistance and a capacitor of 100Ω reactance are connected in series
- If alternating source of primary coil on transformer is replaced by a Laclanche cell
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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