NEET2008BotanyCell - The Unit of LifeActual
Who for the first time developed electron microscope ?
Options
- AKnoll and Ruska
- BRudolf and Kolliker
- CRobert Hooke
- DSwanson
Correct answer
A. Knoll and Ruska
Step-by-step solution
Knoll and Ruska discovered electron microscope in 1932.