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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
- A capacitor of 2.5 μF is charged through a resistor of 4 MΩ. In how much time
- In thermodynamics processes which of the following statements is not true?
- If the lattice parameter for a crystalline structure is 3.6 Å, then the atomic radius
- A round disc of moment of inertia i₂ about its axis perpendicular to its plane
- The ratio of speed of an electron in ground state in Bohr’s first orbit of hydrogen atom
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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