Question

draw or explain how light makes a specimen appear bigger in a light microscope.

Explanation:

A light microscope uses lenses to magnify. The objective lens first focuses light passing through the specimen, forming a real image. Then the eyepiece (ocular lens) acts like a magnifying glass, taking this real image and magnifying it further into a virtual image that appears larger to the eye. The curved lenses bend (refract) light rays: when light from the specimen enters the convex objective lens, it converges to form an enlarged real image. The eyepiece then refracts these light rays from the real image so they appear to come from a larger virtual image, increasing the apparent size of the specimen.

Answer:

In a light microscope, light passes through the specimen and enters convex lenses (objective + eyepiece). The objective lens refracts light to form an enlarged real image of the specimen. The eyepiece then refracts light from this real image, creating a larger virtual image that the eye perceives, making the specimen appear bigger (via lens - based light refraction and magnification in two stages: objective - formed real image, eyepiece - magnified virtual image).