Properties Of Solids And Liquids Question 556
Question: If the length of a cylinder on heating increases by 2%, the area of its base will increase by-
Options:
A) 0.5%
B) 2%
C) 1%
D) 4%
Show Answer
Answer:
Correct Answer: D
Solution:
Length is increased by 2% $ \frac{\Delta A}{A}=B\times 4\theta =(\alpha \times \Delta \theta ) $ Area will increase by 4%
