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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
- Two thin lenses of focal lengths f₁ and f₂ are in contact and coaxial.
- In the Young’s double slit experiment, the intensity of light at a point on the screen
- A nucleus at rest splits into two nuclear parts having radii in the ratio 1:2.
- A dynamo converts
- A motor-cyclist drives a motor cycle in a vertical circle. His minimum velocity
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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