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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
- When a metallic surface is illuminated with radiation of wavelength λ,
- According to Bohr model of hydrogen atom, only those orbits are permissible
- The acceleration due to gravity at a place is π² m/sec². Then the time period
- Efficiency of a Carnot engine is 50% when temperature of sink is 500K. In order
- The kinetic energy of α-particle emitted in the α-dacay of ₈₈Ra²²⁶ 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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