Physics · 2020
NEET 2020 · 14 October · Code Z6 · Q131
The wave nature of electrons was experimentally verified by.
The wave nature of electrons was experimentally verified by.
Official answer
(3)
Davisson and Germer
More from Dual Nature of Radiation and Matter
- Photons with energy 5 eV are incident on a cathode C in a photoelectric cell. The maximum energy of emitted photoelectrons is 2 eV. When photons of…2016
- If c is the velocity of light in free space, the correct statements about photon among the following are: A. The energy of a photon is E=h v. B. The…2024
- 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^-2 nm, the…2020
- A photon and an electron (mass m ) have the same energy E. The ratio ( λ_photon / λ_electron ) of their de Broglie wavelengths is: ( c is the speed…2025
- When the energy of the incident radiation is increased by 20\%, the kinetic energy of the photoelectrons emitted from a metal surface increased from…2014
- For photoelectric emission from certain metal the cutoff frequency is ν. If radiation of frequency 2 ν impinges on the metal plate, the maximum…2013
- The number of photons per second on an average emitted by the source of monochromatic light of wavelength 600 nm, when it delivers the power of 3.3 ×…2021
- An electron is accelerated through a potential difference of 10,000 V. Its de Broglie wavelength is, (nearly): (m_e=9 × 10^-31 kg)2019
NEET (UG) 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.