A) 102
B) 10?2
C) 10?3
D) 10?4
Correct Answer: D
Solution :
Coefficient of volume expansion \[\gamma =\frac{\Delta \rho }{\rho .\Delta T}=\frac{({{\rho }_{1}}-{{\rho }_{2}})}{\rho .(\Delta \theta )}=\frac{(10-9.7)}{10\times (100-0)}=3\times {{10}^{-4}}\] Hence, coefficient of linear expansion \[\alpha =\frac{\gamma }{3}={{10}^{-4}}/{}^\circ C\]
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