If a body takes 6 minutes to cool from 800 C to 70- C- how long will it take to cool from 60- C to 50- C- if the surrounding temperature is 25- C -A- 8 minB- 10 minC- 12 minD- 14 min

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Standard XII

Physics

2nd Law of Thermodynamics

If a body tak...

Question

If a body takes 6 minutes to cool from 80⁰C to 70⁰C, how long will it take to cool from 60⁰C to 50⁰C, if the surrounding temperature is 25⁰C?

8 min

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10 min

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12 min

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14 min

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Solution

The correct option is B
10 min

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If a body takes 6 minutes to cool from 800C to 700C, how long will it take to cool from 600C to 500C, if the surrounding temperature is 250C?

The correct option is B 10 min

If a body takes 6 minutes to cool from 80⁰C to 70⁰C, how long will it take to cool from 60⁰C to 50⁰C, if the surrounding temperature is 25⁰C?

The correct option is B
10 min