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Class 11
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Physics
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Thermal Properties of Matter
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Newton's Law of Cooling
Newton's Law of Cooling
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Newton's Law of Cooling
Example
Definitions
Formulaes
Newton's Law of Cooling - L1
Example
Definitions
Formulaes
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Newton's Law of Cooling I
14 mins
Newton's Law of Cooling - II
4 mins
Experimental Setup of Verification of Newton's Law of Cooling
15 mins
Quick Summary With Stories
Newton's Law of Cooling
3 mins read
Experimental Setup of Verification of Newton's Law of Cooling
3 mins read
Problem based on Newton's law cooling
2 mins read
Important Questions
A body cools from
8
0
∘
C to
5
0
∘
C in
5
minutes. Calculate the time it takes to cool from
6
0
∘
C to
3
0
∘
C. The temperature of the surroundings is
2
0
∘
C.
Medium
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>
A body cools down from
8
0
o
C
to
6
0
o
C
in
1
0
Minutes when the temperature of surrounding is
3
0
o
C
. The temperature of the body after next
1
0
minutes will be:
Medium
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>
Certain quantity of water cools from
7
0
o
C
to
6
0
o
C
in the first
5
minutes and to
5
4
o
C
in the next
5
minutes. The temperature of the surroundings is ;
Medium
NEET
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>
A sphere , a cube and a thin circular plate,all of same materials and same mass, are initially heated to same high temperature.
Medium
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>
A body cools in
7
minutes from
6
0
o
C
to
4
0
o
C
. If the temperature of surrounding is
1
0
o
C
, the temperature after next
7
minutes will be :
Medium
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>
A body cools from 50
o
C to 45
o
C in 5 min and to 40
o
C in another 8 min. The temperature of the surrounding is
Hard
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>
A body cools from
6
0
∘
C
to
5
0
∘
C
in
1
0
minutes. If the room temperature is
2
5
∘
C
and assuming Newton's cooling law holds good, the temperature of the body at the end of the next
1
0
minutes is:
Medium
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>
100 gm of ice at
0
−
0
C
is mixed with 100 g of water at
1
0
0
−
0
C
. What will be the final temperature of the mixture?
Medium
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>
Hot water cools from
6
0
o
C
to
5
0
o
C
in the first
1
0
minutes and to
4
2
o
C
in the next
1
0
minutes. The temperature of the surroundings is :
Medium
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>
A pendulum clock is
5
sec fast at temperature of
1
5
o
C
and
1
0
sec slow at a temperature of
3
0
o
C
. At temperature does it give the correct time-
Medium
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>