exchange integral sentence in Hindi

Examples

1. Although in the hydrogen molecule the exchange integral, Eq . ( 6 ), is negative, Heisenberg first suggested that it changes sign at some critical ratio of internuclear distance to mean radial extension of the atomic orbital.
2. The exchange integral " J " ex is related to yet another quantity, called the "'exchange stiffness constant "'( " A " ) which serves as a characteristic of a ferromagnetic material.