HomePhysics MCQsElectromagnetic waves travel in free space with the speed of 4. Electromagnetic waves travel in free space with the speed ofBy Admin / September 17, 2025 A. λ-rays B. Positive rays C. Cathode rays D. More than sound waves ✅ The correct answer is option A.
6. Dioptre power of a concave lens of 10 cm focal length is Leave a Comment / Optical Instruments MCQs, Physics MCQs / By Admin
2. The dimensions of the coefficient of viscosity are Leave a Comment / Fluid Dynamics MCQs, Physics MCQs / By Admin