c) 2 1 4 3d)5. The Ionisation potential of Hydrogen is 2.17 * 10second orbit of the hydrogen atom is3 4 2 1erg/atom. The energy of the electron in theb) - 2.17x10-11erg/atom2.17x10-112 erg atom2.17x1017222.17 x 10"d)-- erg/atomc) -erg/atom225. (A) : In an atom the velocity of electron as it moves into higher orbits keeps on decreasing,(R) Velocity of electron is inversely proportional to the radius of orbit.(Aland (P) are true and (R) is the correct explanation of (A)

c) 2 1 4 3d)5. The Ionisation potential of Hydrogen is 2.17 * 10second

1.	c) 2 1 4 3d)5. The Ionisation potential of Hydrogen is 2.17 * 10second orbit of the hydrogen atom is3 4 2 1erg/atom. The energy of the electron in theb) - 2.17x10-11erg/atom2.17x10-112 erg atom2.17x1017222.17 x 10"d)-- erg/atomc) -erg/atom225. (A) : In an atom the velocity of electron as it moves into higher orbits keeps on decreasing,(R) Velocity of electron is inversely proportional to the radius of orbit.(Aland (P) are true and (R) is the correct explanation of (A)
Answer» the correct answer is 2