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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
- In gamma ray emission from a nucleus
- At 0⁰C, 15 gm of ice melts to form water at 0⁰C. The change in entropy is
- The radius of gyration of a solid sphere of radius r about a certain axis is r
- The e.m.f. of a battery is 2 V and its internal resistance is 0.5 Ω. The maximum
- The primary and secondary coil of the transformer have 50 and 1500 turns respectively
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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