What microscope did robert hooke use to study tree bark? electron microscope compound light microscope simple microscope scanning microscope

The correct answer will be compound microscope.

Explanation:

Robert Hooke designed and used two and three-lens compound microscopes.

These were one of the best such microscopes of his time which were made of leather-covered cardboard, 7 inches long, 4 inches wide with a 15 inch brass rod which can slide up and down.

With this microscope he observed variety of organisms such as cell walls of cork, insects, feathers, bryozoans and flea, diagrams of which he published in his books "Micrographia". Hooke also examined the fossils with microscope.

Thus, compound microscope is the correct answer.

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