HomePhysics MCQsThe half-life of radium is 1590 years. In how many years shall the earth loss all its radium due to radioactive decay? 8. The half-life of radium is 1590 years. In how many years shall the earth loss all its radium due to radioactive decay?By Admin / September 17, 2025 A. 1590×106 years B. 1590×1012 years C. 1590×1024 years D. Never ✅ 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