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Standard XII

Physics

2nd Law of Thermodynamics

The temperatu...

Question

The temperature range upto which Newton's law of cooling holds good

30-35°C

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30-40°C

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25-30°C

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20-25°C

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Solution

The correct option is D
20-25°C

Newton's law of cooling holds well upto 20-25Â°C.

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Similar questions

Q. A body cools from

60^{\circ} C

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minutes. If the room temperature is

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and assuming that Newton's law of cooling holds good, the temperature of the body at the end of the next

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Q. A body cools from

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Q. Draw histogram and frequency polygon on the same graph paper for the following frequency distribution.

Class	Frequency
$15 - 20$	$20$
$20 - 25$	$30$
$25 - 30$	$50$
$30 - 35$	$40$
$35 - 40$	$25$
$40 - 45$	$10$

Draw a histogram of the following data:

$\begin{matrix} Class interval : & 10 - 15 & 15 - 20 & 20 - 25 & 25 - 30 & 30 - 35 & 35 - 40 Frequency : & 30 & 98 & 80 & 58 & 29 & 50 \end{matrix}$
Draw a histogram representing the above data.

Q. The following are the daily expeditures (in

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30

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Ependiture (in $R s$ )	No. of students
$10 - 15$	$3$
$15 - 20$	$5$
$20 - 25$	$10$
$25 - 30$	$6$
$30 - 35$	$4$
$35 - 40$	$2$
Total	$30$

Find the class-marks of

20 - 25

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The temperature range upto which Newton's law of cooling holds good

The correct option is D 20-25°C Newton's law of cooling holds well upto 20-25Â°C.

The correct option is D
20-25°C

Newton's law of cooling holds well upto 20-25Â°C.