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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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- The binding energy of deutron is 2.2 MeV and that of ₂⁴He is 28 MeV.
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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
- When a spring is extended by 2 cm energy stored is 100 J. When extended further by 2 cm
- The binding energy of deutron is 2.2 MeV and that of ₂⁴He is 28 MeV.
- Two sources of sound placed close to each other are emitting progressive waves
- A body of mass M hits normally a rigid wall with velocity V and bounces back
- An explosion breaks a rock into three parts in a horizontal plane
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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