Types of Mirrors (āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻāĻžā§°)
Mirrors are of three main Types. // āĻĻāĻžāĻĒā§āĻ¨ āĻŽā§āĻ˛āĻ¤āĻ āĻ¤āĻŋāĻ¨āĻŋ āĻĒā§ā§°āĻāĻžā§°ā§°āĨ¤
1. Plane Mirror (āĻ¸āĻŽāĻ¤āĻ˛ āĻĻāĻžāĻĒā§āĻ¨) : Has a flat reflecting surface. āĻ¸āĻŽāĻ¤āĻ˛ āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻĨāĻžāĻā§āĨ¤
2. Concave Mirror (āĻ ā§ąāĻ¤āĻ˛ āĻĻāĻžāĻĒā§āĻ¨) : Has a reflecting surface curved inward. āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻāĻŋāĻ¤ā§°āĻĢāĻžāĻ˛ā§ āĻŦāĻžāĻāĻāĻž āĻĨāĻžāĻā§āĨ¤
3. Convex Mirror (āĻāĻ¤ā§āĻ¤āĻ˛ āĻĻāĻžāĻĒā§āĻ¨) : Has a reflecting surface curved outward. āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻŦāĻžāĻšāĻŋā§°āĻĢāĻžāĻ˛ā§ āĻŦāĻžāĻāĻāĻž āĻĨāĻžāĻā§āĨ¤
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MCQs
1. Mirrors are mainly classified into how many types ? āĻĻāĻžāĻĒā§āĻ¨āĻ āĻŽā§āĻ˛āĻ¤āĻ āĻā§āĻāĻāĻž āĻĒā§ā§°āĻāĻžā§°āĻ¤ āĻāĻžāĻ āĻā§°āĻž āĻšāĻ¯āĻŧ ?
A) One | B) Two | C) Three | D) Four
Ans: C) Three
Explanation: Mirrors are mainly of three types: Plane mirror, Concave mirror and Convex mirror. āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: āĻĻāĻžāĻĒā§āĻ¨ āĻŽā§āĻ˛āĻ¤āĻ āĻ¤āĻŋāĻ¨āĻŋāĻāĻž āĻĒā§ā§°āĻāĻžā§°ā§°—āĻ¸āĻŽāĻ¤āĻ˛, āĻ ā§ąāĻ¤āĻ˛ āĻā§°ā§ āĻāĻ¤ā§āĻ¤āĻ˛ āĻĻāĻžāĻĒā§āĻ¨āĨ¤
2. Which mirror has a flat reflecting surface ? āĻā§āĻ¨āĻā§ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻ¸āĻŽāĻ¤āĻ˛ āĻšāĻ¯āĻŧ ?
A) Concave Mirror | B) Convex Mirror | C) Plane Mirror | D) Spherical Mirror
Ans: C) Plane Mirror
Explanation: A plane mirror has a flat reflecting surface. āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: āĻ¸āĻŽāĻ¤āĻ˛ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻ¸āĻŽāĻ¤āĻ˛ āĻšāĻ¯āĻŧāĨ¤
3. Which mirror has its reflecting surface curved inward ? āĻā§āĻ¨āĻā§ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻāĻŋāĻ¤ā§°āĻĢāĻžāĻ˛ā§ āĻŦāĻžāĻāĻāĻž āĻĨāĻžāĻā§ ?
A) Plane Mirror | B) Concave Mirror | C) Convex Mirror | D) None of these
Ans: B) Concave Mirror
Explanation: A concave mirror has an inward-curved reflecting surface. āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: āĻ ā§ąāĻ¤āĻ˛ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻāĻŋāĻ¤ā§°āĻĢāĻžāĻ˛ā§ āĻŦāĻžāĻāĻāĻž āĻĨāĻžāĻā§āĨ¤
4. Which mirror has its reflecting surface curved outward ? āĻā§āĻ¨āĻā§ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻŦāĻžāĻšāĻŋā§°āĻĢāĻžāĻ˛ā§ āĻŦāĻžāĻāĻāĻž āĻĨāĻžāĻā§ ?
A) Plane Mirror | B) Concave Mirror | C) Convex Mirror | D) Glass Slab
Ans: C) Convex Mirror
Explanation: A convex mirror has an outward-curved reflecting surface. āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: āĻāĻ¤ā§āĻ¤āĻ˛ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻŦāĻžāĻšāĻŋā§°āĻĢāĻžāĻ˛ā§ āĻŦāĻžāĻāĻāĻž āĻĨāĻžāĻā§āĨ¤
5. Which of the following is NOT a type of mirror ? āĻ¤āĻ˛ā§° āĻā§āĻ¨āĻā§ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻāĻžā§° āĻ¨āĻšāĻ¯āĻŧ ?
A) Plane Mirror | B) Concave Mirror | C) Convex Mirror | D) Convex Lens
Ans: D) Convex Lens
Explanation: A convex lens is a lens, not a mirror. āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: āĻāĻ¤ā§āĻ¤āĻ˛ āĻ˛ā§āĻ¨ā§āĻ¸ āĻāĻāĻž āĻ˛ā§āĻ¨ā§āĻ¸, āĻĻāĻžāĻĒā§āĻ¨ āĻ¨āĻšāĻ¯āĻŧāĨ¤
6. Which of the following correctly matches the mirror with its reflecting surface ? āĻ¤āĻ˛ā§° āĻā§āĻ¨āĻā§ āĻĻāĻžāĻĒā§āĻ¨ āĻā§°ā§ āĻ¤āĻžā§° āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ ā§° āĻ¸āĻ āĻŋāĻ āĻŽāĻŋāĻ˛ ?
A) Plane – Flat | B) Concave – Inward Curved | C) Convex – Outward Curved | D) All of the above
Ans: D) All of the above
Trick
- Plane Mirror → Flat Surface (āĻ¸āĻŽāĻ¤āĻ˛ āĻĒā§āĻˇā§āĻ )
- Concave Mirror → Curved Inward (āĻāĻŋāĻ¤ā§°āĻĢāĻžāĻ˛ā§ āĻŦāĻžāĻāĻāĻž)
- Convex Mirror → Curved Outward (āĻŦāĻžāĻšāĻŋā§°āĻĢāĻžāĻ˛ā§ āĻŦāĻžāĻāĻāĻž)