JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyConceptual

JEE Main 6 April 2023, Shift 2, Physics Q44

Question 44 of 90 in this shift, Physics question 14 of 30, Section A.

The work functions of Aluminium and Gold are 4.1 eV and and 5.1 eV respectively. The ratio of the slope of the stopping potential versus frequency plot for Gold to that of Aluminium is

(1)1.24
(2)1Official answer
(3)1.5
(4)2

Official answer

Option 2

NTA final key.

Chapter: Dual Nature of Radiation and Matter
Topic: Photoelectric Effect
Idea tested: Stopping Potential vs Frequency Graph

Same idea in other shifts

Asked 4× in all

10 Apr 2023, Shift 2 · Q45The variation of stopping potential ( $V_0$ ) as a function of the frequency ( $\nu$ ) of the incident light for a metal is shown in figure.…MediumDiagram basedHas a figure
4 Sep 2020, Shift 1 · Q20Given figure shows few data points in a photo electric effect experiment for a certain metal. The minimum energy for ejection of electron…MediumDiagram basedHas a figure
4 Sep 2020, Shift 2 · Q17In a photoelectric effect experiment, the graph of stopping potential V versus reciprocal of wavelength obtained is shown in the figure.…EasyDiagram basedHas a figure

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.