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A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool from 40⁰C to 28⁰C if the surrounding temperature is 10⁰C? Assume Newton’s law of cooling
Options
(a) 3.5
(b) 11
(c) 7
(d) 10
Correct Answer:
7
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
- Photons of 5.5 eV energy fall on the surface of the metal emitting photoelectrons
- A coil of self-inductance L is connected in series with a bulb B and an AC source
- A hollow sphere of charge does not produce an electric field at any
- Light of two different frequencies whose photons have energies 1eV
- Two masses of 9 g and 6 g are connected with a string which is passing over a frictionless
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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