Steel is preferred for making springs over copper because

Y

of steel is more than that of copper

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Steel is cheaper

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Y

of copper is more than steel

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Steel is less likely to be oxidised

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Solution

The correct option is A $Y$ of steel is more than that of copper
More the value of Youngs Modulus more the elasticity and since steel has greater Youngs Modulus it is being chosen.

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Similar questions

Stainless steel pans are usually provided with copper bottoms. The reason for this could be that

(a) copper bottom makes the pan more durable.

(b) such pans appear colourful.

(d) copper is easier to clean than the stainless steel.

(Y_{s t e e l} > Y_{c o p p e r})

(Y_{s t e e l} > Y_{c o p p e r})

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