diffraction of light. tectonic features on planets. the surfaces of small objects. topographical features on the ocean floor.
I gave my students this multiple choice question: A scanning electron microscope is best suited for observing

Only one answer is correct among these 4 choices:
- diffraction of light.
- tectonic features on planets.
- the surfaces of small objects.
- topographical features on the ocean floor.

Could you tell me which one is correct?

the surfaces of small objects.