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A black body radiates 20 W at temperature 227⁰C. It temperature of the black body is changed to 727⁰C, then its radiating power will be
Options
(a) Lamp black
(b) Platinum black
(c) Highly heated charcoal lamp
(d) Cavity maintained at constant temperature
Correct Answer:
Cavity maintained at constant temperature
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 piece of iron is heated in a flame. It first comes dull red then becomes reddish
- The value of workdone for rotating a magnet of magnetic moment M by an angle θ in external
- 34 gram of water at 30⁰C is poured into a calorimeter at 15⁰C.
- what should be the velocity of an electron so that its momentum becomes equal
- A body travels 200 cm in the first two seconds and 220 cm in the next 4 secs
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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