A metal rod of length 40cm at 20°C is heated to a temperature of 45°C. If the new length of the rod is 40.05cm. Calculate its linear expansitivity
a
1.2 x \(10^{-5}K{-1}\)
b
2.5x \(10^{-5}K{-1}\)
c
3.5x \(10^{-5}K{-1}\)
d
4.5x \(10^{-5}K{-1}\)
e
5x \(10^{-5}K{-1}\)
Explanation
Correct Option
eVideo Explanation
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