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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 charged particle with a velocity 2×10³ ms⁻¹ passes undeflected through electric field
- If the kinetic energy of the particle is increased to 16 times its previous value
- A parallel plate air capacitor is charged to a potential difference of V volts.
- On bombarding U²³⁵ by slow neutron, 200 MeV energy is released. If the power output
- If a vector 2i+3j+8k is perpendicular to the vector 4j-4i+αk, then value of α is
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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