Question

the temperature of a metal rod (length 1m) is increased by 10°C what is the increase in the length off the road if if Alpha for the metal is 2.5 ×10^-1/°C?​

Answer 1

Answer:

Coefficient of linear expansion:

α=

LΔT

ΔL

ΔT=

Lα

ΔT

=

1×2.5×10

−5

10

−3

ΔT=T−T

′

T

′

=T−ΔT=30−40=−10°C

Answer 2

Explanation:

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