1.

Statement-1: Th plot of atomic number (y-axis) versus number of neutrons (x-axis) for stable nuclei shows a curvature towards x-axis from the line of 45^(@)C slope as the atomic number is increased. Statement-2: Proton-proton electrostatic repulsions begin to overcome attractive forces involving protons and neutrons in heavier nuclides.

Answer»

Statement-1 is True, statement-2 is True, Statement-2 is a correct EXPLANTION for Statement-1.
Statement-1 is True, Statement-2 is True, Statement-2 is NOTA correct EXPLANATION for Statement-1
Statement-1 is True, Statement-2 is False.
Statement-1 is False, Statement-2 is True.

Answer :a


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