HomePhysics MCQsThe diameter of a lens is called 3. The diameter of a lens is calledBy Admin / September 17, 2025 A. Focal length B. Principal axis C. Aperture D. Radius of curvature ✅ The correct answer is option C.
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