Questions
A piece of steel has a length of 30cm at 15°C. At 90°C its length increases by 0.027 cm. Its coefficient of linear expansion is
a
15 × 10-6/°C
b
12 × 10-6/°C
c
16 × 10-6/°C
d
20 × 10-6/°C
detailed solution
Correct option is B
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