Question

The class room compound microscope was invented by

• A. Kepler and Galileo.
• B. Janssen and Janssen.
• C. Tolles and Abbe.
• D. Knoll and Ruska.

Answer 1

Answer: (B)

Janssen and Janssen.

Hans and Zaccharias Janssen - Were the first men who developed the concept of the Compound Microscope. In the 1590s Dutch lens maker - Hans and Zaccharias Janssen (father and son) designed the device that can magnify objects. They used several lenses and placed them in the tube.

Hence the correct answer is (B)