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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 particle is moving in a circle with uniform speed v. In moving from a point to another
- In the Bohr’s model of hydrogen atom, the ratio of the kinetic energy to the total
- A galvanometer having resistance of 50 Ω requires a current of 100μA to give full
- In the relation n=PV/RT, n stands for
- A nuclear reaction is given as 4 ₁H¹→₂He⁴+₀e¹+energy Mention the type of reaction.
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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