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# A scale made of material having coefficient of linear expansion $\left({\alpha }_{s}\right)$  at  ${t}_{i}C$. If  temperature is changed to ${t}_{2}\left({t}_{2}>{t}_{1}\right)$ then error in measurement of scale is

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a
ΔL=LαSΔt
b
ΔL=1LαSΔt
c
ΔL=LαsΔt
d
L=ΔLΔtα
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detailed solution

Correct option is C

coefficient of linear expansion is αs=∆LL∆temperature ⇒∆L=αsL∆t here L is initial length of scale ∆L is change in length of scale  ∆t is change in temperature

Similar Questions

If a scale is made up of a material at temp ${t}_{1}^{0}C$  if temperature is changed to ${{t}_{2}}^{0}C$$\left({t}_{2}<{t}_{1}\right)$ then( coefficient of linear expansion is positive)

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