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Question
(i) Strain is a fundamental behaviour of a material.
(ii) Strain does not have a unit.
(i) foÑfr fdlh inkFkZ dk ekSfyd O;ogkj gSA
(ii) foÑfr dh dksbZ bdkbZ ugha gksrhA
A.
(ii) is true but (i) is false
B.
Both (i) and (ii) are true and (ii) is the correct explanation of (i)
C.
Both (i) and (ii) are true but (ii) is not the correct explanation of (i)
D.
(i) is true but (ii) is false
Answer ( Option C)

Both (i) and (ii) are true but (ii) is not the correct explanation of (i)

Solution

Strain is measured in a laboratory that is why it is called a fundamental quantity. Also since it is the ratio of the dimension of length to the dimension of length, it is dimensionless.

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