Electron Diffraction — Previous-Year Questions
5 previous-year questions on Electron Diffraction, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.
Q1. Davisson-Germer experiment used electrons accelerated through 54 V. Their de Broglie wavelength:
JEE 2022Q2. Electron diffraction off a crystal demonstrates:
JEE 2021Q3. If the accelerating voltage of electrons in an electron microscope is increased by 4×, the resolution improves by:
JEE 2020Q4. Electrons of KE 50 eV are diffracted by a crystal with d = 0.5 Å. First-order angle (Bragg):
JEE 2019Q5. G.P. Thomson's experiment showed:
JEE 2018Electron Diffraction previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 12 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.