A metallic bar of Young's modulus, 0.5 × 10^11 N m^-2 and coefficient of linear thermal expansion 10^-5 °C^-1, length 1 m and area of cross-section 10^-3 m^2 is heated from 0°C to 100°C without expansion or bending. The compressive force developed in it is:

A metallic bar of Young's modulus, 0.5 × 10^11 N m^-2 and…

NEET 2024

A metallic bar of Young's modulus,

0.5 \times 10^{11}

N m

^{-2}

and coefficient of linear thermal expansion

10^{-5}

^\circ

^{-1}

, length 1 m and area of cross-section

10^{-3}

^2

is heated from

0^\circ

C to

100^\circ

C without expansion or bending. The compressive force developed in it is:

Show answer

Correct option: D

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