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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.
Related Questions: - A linear aperture whose width is 0.02 cm is placed immediately in front of a lens
- The horizontal component of earth’s magnetic field at a place is 3×10⁻⁴ T
- A body projected vertically from the earth reaches a height equal to earth’s radius
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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 linear aperture whose width is 0.02 cm is placed immediately in front of a lens
- The horizontal component of earth’s magnetic field at a place is 3×10⁻⁴ T
- A body projected vertically from the earth reaches a height equal to earth’s radius
- Dimensions of electrical resistance are
- Two coherent sources of different intensities send waves which interfere.
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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