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Friday, 9 October

NEET UG 2023 · Physics · Question 22

NEET 2023 Physics, question 22

Question 22 of the NEET 2023 paper (code G6) is a Physics question from Dual Nature of Radiation and Matter. Its idea, Inverse Photoelectric Effect, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.

Updated 2026-10-08

Q22 · Physics

The minimum wavelength of XX-rays produced by an electron accelerated through a potential difference of VV volts is proportional to:

  1. 1V2V^2
  2. 2V\sqrt{V}
  3. 31V\frac{1}{V}Official answer
  4. 41V\frac{1}{\sqrt{V}}

Official answer: option 3 · NTA final answer key

Same idea

The only question on Inverse Photoelectric Effect

No other NEET paper from 2017–2026 tested this exact idea.

Inverse Photoelectric Effect: every question and how it was framed

The chapter

Dual Nature of Radiation and Matter in ten years of NEET

20 questions from 2017–2026, asked in 10 of 10 papers, about 1.9 a paper. Photoelectric Effect alone had 20.

Dual Nature of Radiation and Matter: questions per paper

0241’172’181’193’202’212’222’232’242’253’26