. Which of the following is true statement.
(a)Crystalline solids are isotropic in nature.
(b)Amorphous solids have definite heat of fusion
(c)Melting point of non polar molecular solids.
(d)Amorphous solids are isotropic in nature
It is because there is no long range order in them and arrangement is irregular along all the directions. Therefore, value of any physical property would be same along any direction.