List-I shows various functional dependencies of energy (E) on the atomic number (Z). Energies associated with certain phenomena are given in List-II.
Choose the option that describes the correct match between the entries in List-I to those in List-II.

List-I List-II

(P) E∝Z2 (1) energy of characteristic x-rays

(Q) E∝(Z−1)2 (2) electrostatic part of the nuclear binding energy for stable nuclei with mass numbers in the range 30 to 170

(R) E∝Z(Z−1) (3) energy of continuous x-rays

(S) E is practically independent of Z (4) average nuclear binding energy per nucleon for stable nuclei with mass number in the range 30 to 170

(5) energy of radiation due to electronic transitions from hydrogen-like atoms

[JEE Adv 2025 P1]

Question

List-I shows various functional dependencies of energy (E) on the atomic number (Z). Energies associated with certain phenomena are given in List-II.
Choose the option that describes the correct match between the entries in List-I to those in List-II.

	List-I		List-II
(P)	E∝Z2	(1)	energy of characteristic x-rays
(Q)	E∝(Z−1)2	(2)	electrostatic part of the nuclear binding energy for stable nuclei with mass numbers in the range 30 to 170
(R)	E∝Z(Z−1)	(3)	energy of continuous x-rays
(S)	E is practically independent of Z	(4)	average nuclear binding energy per nucleon for stable nuclei with mass number in the range 30 to 170
		(5)	energy of radiation due to electronic transitions from hydrogen-like atoms

[JEE Adv 2025 P1]

Accepted Answer

Correct Answer is : P⟶5,Q⟶2,R⟶1,S⟶4

Answer

P⟶4,Q⟶3,R⟶1,S⟶2

Answer

P⟶5,Q⟶2,R⟶1,S⟶4

Answer

P⟶5,Q⟶1,R⟶2,S⟶4

Answer

P⟶3,Q⟶2,R⟶1,S⟶5

JEE Advanced 2025 Paper 1

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