Question

write any 5difference between mirror and lens

Answer 1

 mirror

1. they are used in our homes as looking glasses.
2. they are used in vehicles as rear view mirror.
3. they are used to maintain distance chart for testing eyesight.
4. they are used in solar cookers to reflect light.
5. they are used in optical instruments like periscope
leps
1. convex lens is used in cameras and microscope
2. convex lens is used as magnifying glass.
3. convex lens is used to correct long sightedness.
4. concave lens is used to correct short sightedness.

Answer 2

• Mirrors are devices which are based on the principle of reflection whereas lenses are devices which are based on the theory of refraction.

• Material other than glass or clear plastic is required to manufacture mirrors, whereas lenses only require glass or clear plastic.

• A perfect mirror reflects 100% of light incident on it from the silvered surface. A perfect lens refracts 100% incident on it.

• There are only three main types of mirrors, whereas there are six main types of lenses.