Question

The increase in energy of bar of brass 0.1 m long and of cross sectional area 1
cm2 when elongated with a load of 10 kg-wt along its lengths will be - [y = 1011
N/m2 and g = 10 m/s
1 5x10-5 J
2 2.5 x 10-5 J
3 52 x 10-5 J
4 None of these​

Answer 1

Answer:

25

Explanation:

25 is the answer so it will be - by 5×10.