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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
- A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes
- In the half wave rectifier circuit operating from 50 Hz mains frequency,
- The control rods used in a nuclear reactor can be made up of
- The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
- A hollow metal sphere of radius 10 cm is charged such that the potential on its surface
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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