Properties Of Solids And Liquids Question 483
Question: The coefficient of superficial expansion of a solid is 2 ´ 10?5 /°C. It’s coefficient of linear expansion is [KCET 1999]
Options:
A) 4 ´ 10?5/°C
B) 3 ´ 10?5/°C
C) 2 ´ 10?5/°C
D) 1 ´ 10?5/°C
Show Answer
Answer:
Correct Answer: D
Solution:
$ \alpha =\frac{\beta }{2}=\frac{2\times {{10}^{-5}}}{2}={{10}^{-5}}/{}^\circ C $
