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%



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