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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
- The momentum of a photon of energy 1 MeV in kg m/s will be
- An ac voltage is applied to a resistance R and an inductor L in series
- Two identical circular coils A and B are kept on a horizontal tube
- A particle of mass m is projected with a velocity v making an angle of 45°
- A transistor is operated in common-emitter configuration at Vᵥ = 2 V such that a change
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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