HomePhysics MCQsHydrogen atom does not emit X-rays because 7. Hydrogen atom does not emit X-rays becauseBy Admin / September 17, 2025 A. Its energy levels are too close to each other B. Its energy levels are too far apart C. It is too small in size D. It has a single electron ✅ The correct answer is option D.
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