Properties Of Solids And Liquids Question 493
Question: The length of a metallic rod is 5m at 0°C and becomes 5.01 m, on heating upto 100°C. The linear expansion of the metal will be [UPSEAT 1999]
Options:
A) 2.33 ´ 10?5 /°C
B) 6.0 ´ 10?5 /°C
C) 4.0 ´ 10?5 /°C
D) 2.0 ´ 10?5 /°C
Show Answer
Answer:
Correct Answer: D
Solution:
$ \alpha =\frac{\Delta L}{L _{0}\times \Delta \theta }=\frac{0.01}{5\times 100}=2\times {{10}^{-5}}/{}^\circ C $
