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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 electromagnetic spectrum, the frequencies of γ-rays and x-rays and ultraviolet rays
- The electric current in AC circuit is given by the relation i-3 sinωt+4 cos ωt.
- If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system
- A mass of 2.0 kg is put on a flat plan attached to a vertical spring fixed on the ground
- A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas
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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