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JEE Main Physics Class 11 Properties of Solids and Liquids Questions Part 3 Questions
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Question : 45
Total: 100
A hole is drilled in a metal sheet. At
27
∘
C
, the diameter of hole is
5
cm
. When the sheet is heated to
177
∘
C
, the change in the diameter of hole is
d
×
10
−
3
cm
. The value of
d
will be __________if coefficient of linear expansion of the metal is
1.6
×
10
−
5
∕
∘
C
.
[24-Jan-2023 Shift 1]
Your Answer:
Validate
Solution:
d
0
at
27
∘
C
&
d
1
at
177
∘
C
d
1
=
d
0
(
1
+
α
∆
T
)
d
1
−
d
0
=
5
×
1.6
×
10
−
5
×
150
cm
=
12
×
10
−
3
cm
© examsnet.com
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