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A thin 1m long rod has a radius of 5mm. ...

A thin `1m` long rod has a radius of `5mm`. A force of `50pi KN` is applied at one end to determine its Young's modulus Assume that the force is exactly known. If the least count in the measurement of all lengths is `0.01mm` which of the following statements is false ?

A

`(Delta Y)/(Y)` gets minimum contribtution from the uncertainty in the length.

B

`(Delta Y)/(Y)` gets its maximum contribution from the uncertainty in strain.

C

The maximum value of Y that can be determined is `10^14 N//M^2`.

D

The figure of merit is the largest for the length of the rod

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