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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 uniform plank of Young’s modulus Y is moved over a smooth horizontal surface
- At what temperature will the rms speed of air molecules be double that of NTP?
- Find the fundamental frequency of a closed pipe if the length of air column is 42m.
- A bubble is rising from bottom of a lake. The volume of bubble becomes
- The phase difference between the flux linked with a coil rotating in a uniform
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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