Question

metallic bar is heated up from 09C to 100°C. The percentage change in length is = 10
a) Q019
b) 0.15
c) 1%
d) 10%
aluminium rods at all temperatures is 2 x 10 m. If o for brass is​

Answer 1

Answer:

∆L = L alpha ∆T

∆L/L = alpha ∆T

where is alpha

Not given in question