Electron microscope was invented by _________________?
Correct answer: A. Knoll and Risks
- A. Knoll and Risks
- B. Schwaan
- C. Sigmund
- D. Robert Hook
Explanation
The electron microscope was developed by Ernst Ruska and Max Knoll, allowing much greater magnification than a light microscope. Option a is intended to name Knoll and Ruska, although “Risks” is misspelled.
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