answersLogoWhite

0

When the light hits the lens of the eye glasses, it bends the light. This makes the light rays focus onto the retina (the back of the eye). Take a clear drinking glass and fill it half way. Put a pencil in the water. When you look at the pencil through the side of the glass, it will no longer look straight. When the light rays travel through the air then hit the water which is more dense the light rays are slowed down and then when the light rays exit the water they leave at a slightly different angle.When the lower part of the pencil is in the water it makes the pencil look fat.

User Avatar

Wiki User

16y ago

What else can I help you with?