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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 planet in a distinct solar system is 10 times more massive than the earth
- A series R-C circuit is connected to an alternating voltage source. Consider two
- When a metallic surface is illuminated with radiation of wavelength λ,
- The half life of radioactive isotope ‘X’ is 50 years. It decays to
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
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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