Question

the volume of a block of metal changes by 0.04% when it is heated through 40°C the coefficient of volume expression of metal is?​

Answer 1

Answer:

Since,γ=

VΔT

ΔV

⇒γ=

100

0.12

×

20

1

⇒γ=6×10

−5

/

0

C

∴α=

3

γ

⇒α=

3

6×10

−5

=2.0×10

−5

/

0

C