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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 2 kg mass starts from rest on an inclined smooth surface with inclination
- A car moving with a velocity of 36 km/hr crosses a siren of frequency 500 Hz.
- The de-Broglie wavelength associated with an electron accelerated by a potential
- The rms current in an AC circuit is 2 A. If the wattless current be √3 A,
- The e.m.f. of a battery is 2 V and its internal resistance is 0.5 Ω. The maximum
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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