Question

Explain the difference in how a concave lens and a convex lens affect an object's appearance.

Answer 1

CONCAVE LENS:

• concave lens is thinner in the middle and thicker at the edges.
• it is also called diverging lens.
• image formed is virtual and smaller than the object.
• it's focal length is always negative.
• it is used for the correction of problem of short sight.
• Appear smaller and farther.
• Used to Correct myopia.
• Curves inward.

CONVEX LENS:

• convex lens is thicker in the middle and thinner at the edges.

• it is aso called converging lens.
• image formed is real and inverted.
• it's focal length is always positive.
• used for the correction of problem of long sight.
• Appear closer and larger.
• Used to Correct hyperopia.
• Curves outward.

Step-by-step explanation:

Answer 2

Answer: Varies

Explanation: Concave lens curve inward while convex lens are outward.