621. The absolute value of charge on electron was determined by ___ ?
✅ D. Robert Millikan
✅ D. Robert Millikan
✅ D. Influenza
✅ A. 1.98x10 Power 30 Kg
✅ D. 109 times
✅ B. January - July
✅ C. Torque
✅ D. Mercury
✅ C. Hydrogen and Helium
✅ C. Reducing the surface tension of water
✅ A. 14
✅ D. nuclei are unstable
✅ A. Ununoctium
✅ B. Dobson
✅ C. Atmospheric pressure
✅ C. Steam contains more energy than boiling water
✅ E. None of these
✅ C. Ammonia
✅ C. Niacin
✅ A. Gene
✅ C. Digestive system