Question

The co-efficient of linear expansion of iron is 12x10-6/°C, then
the co-efficient of volume expansion will be
(a) 12x10-6 / °C
(b) 18x10-6 / °C
(c) 36x10-6 / °C
(d) 24x10-6 / °C​

Answer 1

Answer:

c hoga....... ........