NEET UG 2022 · Physics · Question 30
NEET 2022 Physics, question 30
Question 30 of the NEET 2022 paper (code R1) is a Physics question from Dual Nature of Radiation and Matter. Its idea, de Broglie Wavelength of Particles, was asked 4 times, in 2017, 2018, 2022 and 2024, across NEET 2017–2026. The NTA final answer key gives option 1.
Updated 2026-10-08
Q30 · Physics
The graph which shows the variation of the de Broglie wavelength () of a particle and its associated momentum (p) is :
The figure, described in words
Options are λ vs p graphs: (1) rectangular hyperbola decreasing, (2) straight line through origin rising, (3) straight line decreasing, (4) curve rising concave up.
- 1[graph: λ vs p, hyperbola-like curve decreasing]Official answer
- 2[graph: λ vs p, straight line through origin, increasing]
- 3[graph: λ vs p, straight line decreasing]
- 4[graph: λ vs p, curve increasing, concave up]
Official answer: option 1 · NTA final answer key
Same idea
de Broglie Wavelength of Particles, in other papers
NEET asked this idea 4 times, in 2017, 2018, 2022 and 2024. The other 3 questions below.
- 2024 Q34The graph which shows the variation of and its kinetic energy, is (where is de Broglie…Figure-based · Medium
- 2018 Q12An electron of mass m with an initial velocity () enters an electric field (…Numerical · Medium
- 2017 Q6The de-Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature T (Kelvin) and mass m, is :One-line MCQ · Medium
de Broglie Wavelength of Particles: 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.