A magnifying glass typically has a single convex lens, while a microscope has multiple lenses and a more complex system for magnifying objects.

Yes, a magnifying glass can make objects appear larger than they actually are by bending and magnifying the light rays that pass through it.

The optimal distance can vary depending on the strength of the magnifying glass, but typically it is best to hold it about 2-3 inches away from the object.

Yes, if used incorrectly or with improper safety precautions, a magnifying glass can cause eye strain or even start a fire if focused on flammable materials for too long.