12th Exam Physics VVI Objective Atoms Chapter Important Question ATOMS 1. Cathode rays are : (A) electrons (B) neutrons (C) protons (D) photons Answer:- A 2. γ-rays are similar to : (A) C-rays (B) B-rays (C) cathode rays (D) X-rays Answer:- D 3. β-rays are fast moving : (A) photons (B) protons (C) electrons (D) […]
