MCQs of Properties of Matter (Physics Group - I - 3110011)

Showing 31 to 32 out of 32 Questions

31.

A copper wire, 2 m long and

6.25 x 10^{- 5} m^{2}

in cross section, is found to stretch

3 x 10^{-3} m

under a tension of

1 x 10^{3} N

. What is the Young's modulus of the material of the wire?

32.

Calculate the shearing force required to distort a block of aluminium by 1.5 cm, if its thickness is 30 cm and its surface area is

12 c m^{- 2}

. Consider its shear modulus as

2.5 x 10^{10} \frac{N}{m^{2}}

Showing 31 to 32 out of 32 Questions