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Q.

This question has Statement 1 and Statement 2. Of the four choices given after the Statements, choose the one that best describes the two Statements.
If  two springs  S1 and  S2  of force constants k1andk2 respectively, are stretched by the same amount, it is found that more work is done on spring S1 than on spring  S2.
Statement 1:If stretched by the same amount work done on S1 , will be more than that on  S2.
Statement 2:  k1<k2

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a

Statement 1 is false, Statement 2 is true.

b

Statement 1 is true, Statement 2 is false.

c

Statement 1 is true, Statement 2 is true, Statement 2 is the correct explanation for Statement 1

d

Statement 1 is true, Statement 2 is true, Statement 2 is the not correct explanation for Statement 1

answer is B.

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Detailed Solution

Work done,  w=12kx2
Work done by spring  S1,w1=12k1x2
Work done by spring  S2,w2=12k2x2
Since  w1>w2Thus(k1>k2)

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