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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 bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
- A coil of N turns and mean cross-sectional area A is rotating with uniform angular
- A body is moving in a vertical circle. The string must remain taut at the highest point
- On bombarding U²³⁵ by slow neutron, 200 MeV energy is released. If the power output
- A current of 5 A is flowing at 220 V in the primary coil of a transformer. If the voltage
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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