First slide
Elastic Modulie
Question

Consider the following statements.
(A) Identical springs of steel and copper are equally stretched. More work will be done on the steel spring. 
(B) Steel is more elastic than copper.

Select the correct option.
(a)(A) is false, But (B) is true.
(b) Both (A) and (B)are true.
(c) (A) is true, But (B) is false.
(d) Both (A) and (B)are false.

Easy
Solution

W = Fe2=Y A e22L   Y OF STEEL IS GREATER THAN COPPER.

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