# physics

posted by
**kala**
.

a string of cross section 2 cm^2 is doubled in length by the application of a longitudinal force 2*10^5dynes.the young"s modulus is:

1.10^5 dyne/cm^2

posted by
**kala**
.

a string of cross section 2 cm^2 is doubled in length by the application of a longitudinal force 2*10^5dynes.the young"s modulus is:

1.10^5 dyne/cm^2