Class 12th Physics Chapter 8 Electro-Magnetic Waves VVI Objective Question Electro-Magnetic Waves 1. Which has the longest wavelength? (A) Radio waves (B) X-rays (C) Ultraviolet rays (D) Infrared Answer:- A 2. Which of the following has a minimum wavelength? (A) X-Rays (B) Y-Rays (C) Micro Wave (D) Radio wave Answer:- B 3. The frequency range of […]