The maximum elongation of a steel wire of 1 m length if the elastic limit of steel and its Young’s modulus, respectively, are $8 \times 10^8$ N m⁻² and $2 \times 10^{11}$ N m⁻², is :
A
40 mm
B
8 mm
C
4 mm
D
0.4 mm

Question

The maximum elongation of a steel wire of 1 m length if the elastic limit of steel and its Young’s modulus, respectively, are $ 8 \times 10^8 $ N m⁻² and $ 2 \times 10^{11} $ N m⁻², is :

Accepted Answer

4 mm

Answer

40 mm

Answer

8 mm

Answer

0.4 mm

NEET 2024 Physics Young's Modulus and Elongation MCQ Question

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