If the coefficient of linear expansion of glass is 0.000009, the coefficient of cubical expansion of glass is :
A
0.0000027
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B
0.000027
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C
0.00027
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D
0.000018
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Solution
The correct option is A 0.000027 Since coefficient of linear expansion = 0.000009 Coefficient of cubical expansion =3×Coefficient of linear expansion = 0.000027