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Friday, 9 October

NEET UG 2020 · Physics · Question 175

NEET 2020 Physics, question 175

Question 175 of the NEET 2020 paper (code E1) is a Physics question from Dual Nature of Radiation and Matter. Its idea, de Broglie Wavelength of Accelerated Electrons, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q175 · Physics

An electron is accelerated from rest through a potential difference of V volt. If the de Broglie wavelength of the electron is 1.227×10−21.227\times10^{-2} nm, the potential difference is :

  1. 110 V
  2. 210210^2 V
  3. 310310^3 V
  4. 410410^4 VOfficial answer

Official answer: option 4 · NTA final answer key

Same idea

The only question on de Broglie Wavelength of Accelerated Electrons

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

de Broglie Wavelength of Accelerated Electrons: 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