Question

Please give me ans...
I give it brainlist

Answer 1

Hey there , here is Ur answer.
Lo = Length at 25°C = 150 cm.
a= linear expansion coefficient= 2.2 ×10(-5)/°C;
∆T =(150-25) =125°C
L = 150× (1+2.2 ×10(-5)×125)
= 150× 1.00275=
150. 4125cm
Hip this helps.