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  • Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A) :

Given below are two statements: One is labelled as

Assertion (A) and the other is labelled as Reason (R)

Assertion (A) :

The stretching of a spring is determined by the shear modulus of the material of the spring.

Reason (R) :

A coil spring of copper has more tensile strength than a steel spring of the same dimensions.

In light of the above statements choose the most appropriate answer from the options given below:

Option: 1

Both (A) and (R) are true and (R) is not the correct explanation of (A)


Option: 2

(A) is true but (R) is false


Option: 3

(A) is false but (R) is ture


Option: 4

Both (A) and (R) are true and (R) is the correct explanation of (A)


Answers (1)

best_answer

\rightarrow During stretching of spring, as the shape of spring is changed. Therefore, we say

     that shear modulus determines that.

\rightarrow Y_{\text {steel }}>Y_{\text {copper }}\left ( \text { Tensile \text { Strength } }\alpha Y \right )

\therefore Assertion is true but reason is not true

The correct option is 2.

 

Posted by

Ritika Kankaria

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