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Physics
Physics
Problem
State the relation connecting change in length
(
Δ
l
)
(\Delta l)
(
Δ
l
)
of a solid rod with its original length
(
l
)
(l)
(
l
)
and the rise in temperature
(
Δ
T
)
(\Delta T)
(
Δ
T
)
.
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