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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
- Two concentric coils each of radius equal to 2π cm are placed at right angles
- If temperature of gas increases from 27°C to 927°C, the kinetic energy will be
- The induced emf in a coil of 10 H inductance in which current varies
- A photoelectric surface is illuminated successively by monochromatic light of wavelength
- An open pipe resonates with a tuning fork of frequency 500 Hz. It is observed
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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