Home >> Topics >> Mechanical properties of solids
Questions Not AttemptedQuestions Attempted
Unattempted Questions
Questions Available: 1
Year: 2020
Topic: Mechanical properties of solids
1.
A wire of length L, area of cross-section A is hanging from a fixed support. The length of the wire changes to L1 when mass M is suspended from its free end. The expression for Young’s modulus is
(1).
\(\displaystyle \frac{Mg\left(L_1 - L\right)}{AL}\)
(2).
\(\displaystyle \frac{MgL}{AL_1}\)
(3).
\(\displaystyle \frac{MgL}{A\left(L_1-L\right)}\)
(4).
\(\displaystyle \frac{MgL_1}{AL}\)

Test
Solution