Question

If we had the most powerful optical microscope in the world stacked on top of the next most powerful optical microscope in the world, we would
1) probably see atoms,
2) probably be able to photograph atoms even if we couldn't see them,
3) still not be able to see an atom,
because atoms are
4) invisible.
5) visible when illuminated with infrared light.
6) material particles which have mass and size.
7) smaller than the wavelengths of visible light.

Answer

This answer is hidden. It contains 3 characters.