JEE Main Physics · Dual Nature of Radiation and Matter

Stopping Potential vs Wavelength Graph

Stopping Potential vs Wavelength Graph (Dual Nature of Radiation and Matter) was asked once in the 42 JEE Main shifts Lumi analysed, in 2020. 1 of the 1 had a numerical answer.

Times asked: 1; in 1 shift
Years: 2020
Usual format: Numerical value; Multi-step
Pattern: Gone quiet; asked once so far

How it is asked

Threshold wavelength from two stopping potentials

Difficulty

Easy 0Medium 1Hard 0

Where it sits

Chapter: Dual Nature of Radiation and Matter. Topic: Photoelectric Effect, 22 questions over 10 ideas.

The question

Newest first, each with its options and official answer.

2 Sep 2020, Shift 1 · Q25When radiation of wavelength $\lambda$ is used to illuminate a metallic surface, the stopping potential is $V$ . When the same surface is…MediumNumerical value