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A black body at a temperature of 227⁰C radiates heat at a rate of 20 cal m⁻²s⁻¹. When its temperature is raised to 727⁰C, the heat radiated by it in cal m⁻²s⁻¹ will be closest to
Options
(a) 40
(b) 160
(c) 320
(d) 640
Correct Answer:
320
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
- Which phenomenon best supports the theory that matter has a wave nature?
- The molar specific heat at constant pressure of an ideal gas is (7/2)R. The ratio
- The electric current in AC circuit is given by the relation i-3 sinωt+4 cos ωt.
- An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer
- B is doped in Si or Ge, then we will get
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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