Question

define concave and convex​

Answer 1

Answer:

Concave- Concave describes shapes that curve inward,like an hourglass.

Convex- Convex describes shapes that curve outward,like a football.

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Answer 2

Answer:

• A concave mirror can form a real and inverted image. When the object is placed very close to the mirror, the image formed is virtual, erect and magnified.
• A Convex mirror is the mirror that curves out; the reflecting surface is convex.