The coefficient of linear expansion of a rod of length 2m varies with distance x from end of the rod as where.Find the increase in length of the rod when heated through 350°C.
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a
1.225 mm
b
0.1225 mm
c
12.25 m
d
122.5 mm
answer is C.
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Detailed Solution
If de be the thermal expansion of an element of length dx, we can write, where Δθ = rise in temperature. α.dx.
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The coefficient of linear expansion of a rod of length 2m varies with distance x from end of the rod as where.Find the increase in length of the rod when heated through 350°C.