Question

A metal rod length 3 m expands by 1 cm when heated through 200 degrees Celsius. Find the linear expansion of coefficient of the metal

Answer 1

Answer:

3.01 = 3(1+α(200))

3.01 = 3+3α(200)

3.01-3=3α(200)

0.01 = 600α

α =0.01/600

α =1.66×10^-5

hope it help ✌️