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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
- What is the wavelength of light for the least energetic photon emitted
- Mass and diameter of a ring is 2 kg and 1 m respectively. The moment of inertia
- In Young’s experiment, the third bright band for light of wavelength 6000Å
- A 0.5 kg ball moving with a speed of 12 m/s strikes a hard wall at an angle
- The length of an elastic string is a metre when the longitudinal tension is 4N and b
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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