SATHEE: Properties Of Solids And Liquids Question 481

Properties Of Solids And Liquids Question 481

Question: If the length of a cylinder on heating increases by 2%, the area of its base will increase by [CPMT 1993; BHU 1997]

Options:

A) 0.5%

B) 2%

C) 1%

D) 4%

Show Answer

Answer:

Correct Answer: D

Solution:

$A \propto L^{2}$

therefore $\frac{Δ A}{A} = 2 \cdot \frac{Δ L}{L}$

therefore $\frac{Δ A}{A} = 2 \times 2 = 4$ .

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Properties Of Solids And Liquids Question 481

Question: If the length of a cylinder on heating increases by 2%, the area of its base will increase by [CPMT 1993; BHU 1997]

Options:

Answer:

Solution:

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