Q. Which of the following radiations has the least wavelength
A) $\gamma$-rays
B) $\beta$-rays
C) $\alpha$-rays
D) $X$-rays
Explanation
(a) $\lambda_{\gamma - rays} < \lambda_{x - rays} < \lambda_{\alpha - rays} < \lambda_{\beta - rays}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.