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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
- A planet moving along an elliptical orbit is closest to the sun at a distance of r₁
- The angle of incidence at which reflected light is totally polarised for refraction
- The magnifying power of a telescope is 9. When it is adjusted for parallel rays
- The polarising angle of glass is 57⁰. A ray of light which is incident at this angle
- An electric lamp is connected to 220 V, 50 Hz supply. Then the peak voltge is
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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