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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
- Certain quantity of water cools from 70⁰ C to 60⁰C in the first 5 minutes and to 54⁰C
- A body of mass 3 kg acted upon by a constant force is displaced by S meter
- A horizontal straight conductor kept in north-south direction falls under gravity. Then
- Light of wavelength λᴀ and λᴃ falls on two identical metal plates A and B respectively.
- A piece of iron is heated in a flame. It first comes dull red then becomes reddish
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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