Properties of Matter Part 1

Section: Physics

Question : 73 of 100

Marks: +1, -0

A thin 1 m long rod has a radius of 5mm.A force of 50πkN 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 ?

[Main 10 Apr 2016]

∆Y
Y
gets minimum contribution from the uncertainty in the length.
The figure of merit is the largest for the length of the rod
The maximum value of Y that can be determined is 1014N/m2.
∆Y
Y
gets its maximum contribution from the uncertainty in strain.

Validate

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