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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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- A stone falls freely under gravity.It covers distances h₁,h₂ and h₃
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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
- If the band gap between valence band and conduction band in a material is 5.0 eV,
- A stone falls freely under gravity.It covers distances h₁,h₂ and h₃
- A body of mass m is accelerated uniformly from rest to a speed v in a time T
- A beaker of radius 1.5 cm is filled with a liquid of surface tension 0.075 N/m
- A rod lies along the X-axis with one end at the origin and the other at x→∞. It carries
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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