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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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- Two coherent monochromatic beams of intensities I and 4I respectively, are superposed.
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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
- Function of a rectifier is
- Two coherent monochromatic beams of intensities I and 4I respectively, are superposed.
- A stone thrown into still water, creates a circular wave pattern moving radially
- The ratio of magnetic dipole moment of an electron of charge e and mass m
- The reddish appearance of the sun at sunrise and sunset is due to
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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