Question

Numerical problems
1. A silver rod of length 1 m expands by
1.8 mm when heated by 100 °C. What is its
coefficient of linear expansion?

In physics
​

Answer 1

Answer:

1.8*10^-5 °C ^-1

Explanation:

length of the silver rod = 1 m

∆ l = change of lengths= 1 .8 mm = 1.8 *10^-3 m

linear expansion co-efficients

= ∆l/ ∆T /°C

=( 1.8*10^-3)/100 /°C

= 1.8 *10^-5 °C ^-1