MCQs
1. Which mirror has a flat reflecting surface ? āĻā§āĻ¨āĻā§ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻ¸āĻŽāĻ¤āĻ˛ ?
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 and forms a virtual, erect image of the same size. āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: āĻ¸āĻŽāĻ¤āĻ˛ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻ¸āĻŽāĻ¤āĻ˛ āĻšāĻ¯āĻŧ āĻā§°ā§ āĻ āĻ¸āĻŽāĻžāĻ¨ āĻāĻāĻžā§°ā§°, āĻĨāĻŋāĻ¯āĻŧ āĻā§°ā§ āĻ
ā§ąāĻžāĻ¸ā§āĻ¤ā§ą āĻĒā§ā§°āĻ¤āĻŋāĻā§āĻāĻŦāĻŋ āĻāĻ āĻ¨ āĻā§°ā§āĨ¤
2. Which mirror has an inward curved reflecting surface āĻā§āĻ¨āĻā§ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻāĻŋāĻ¤ā§°āĻĢāĻžāĻ˛ā§ āĻŦāĻžāĻāĻāĻž ?
A) Plane Mirror | B) Concave Mirror | C) Convex Mirror | D) Glass Slab
Ans: B) Concave Mirror
Explanation: The reflecting surface of a concave mirror bends inward. 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¤
3. Which mirror has an outward curved reflecting surface ? āĻā§āĻ¨āĻā§ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻ¤āĻŋāĻĢāĻ˛āĻ āĻĒā§āĻˇā§āĻ āĻŦāĻžāĻšāĻŋā§°āĻĢāĻžāĻ˛ā§ āĻŦāĻžāĻāĻāĻž ?
A) Plane Mirror | B) Concave Mirror | C) Convex Mirror | D) Prism
Ans: C) Convex Mirror
Explanation: The reflecting surface of a convex mirror bends outward. 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¤
4. Plane, concave and convex mirrors mainly differ in: āĻ¸āĻŽāĻ¤āĻ˛, āĻ
ā§ąāĻ¤āĻ˛ āĻā§°ā§ āĻāĻ¤ā§āĻ¤āĻ˛ āĻĻāĻžāĻĒā§āĻ¨ā§° āĻŽāĻžāĻāĻ¤ āĻŽā§āĻ˛ āĻĒāĻžā§°ā§āĻĨāĻā§āĻ¯ āĻāĻŋāĻšāĻ¤ āĻĨāĻžāĻā§ ?
A) Colour | B) Weight | C) Shape and image formation | D) Thickness
Ans: C) Shape and image formation
Explanation: These mirrors differ in the shape of their reflecting surfaces and the way they form images. āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: āĻāĻ āĻĻāĻžāĻĒā§āĻ¨āĻ¸āĻŽā§āĻšā§° āĻŽā§āĻ˛ āĻĒāĻžā§°ā§āĻĨāĻā§āĻ¯ āĻšā§āĻā§ āĻāĻā§āĻ¤āĻŋ āĻā§°ā§ āĻĒā§ā§°āĻ¤āĻŋāĻā§āĻāĻŦāĻŋ āĻāĻ āĻ¨ā§° āĻ§ā§°āĻŖāĨ¤
5. Which one 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 Mirror – Flat | B) Concave Mirror – Inward Curved | C) Convex Mirror – Outward Curved | D) All of the above
Ans: D) All of the above
Explanation: All three statements are correct. āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: āĻāĻ˛ā§āĻ˛ā§āĻ āĻā§°āĻž āĻ¤āĻŋāĻ¨āĻŋāĻāĻāĻž āĻāĻā§āĻ¤āĻŋ āĻ¸āĻ āĻŋāĻāĨ¤ āĻ¸ā§āĻ¯āĻŧā§āĻšā§ āĻ¸āĻ āĻŋāĻ āĻāĻ¤ā§āĻ¤ā§° All of the aboveāĨ¤
6. Which of the following is NOT a spherical mirror ? āĻ¤āĻ˛ā§° āĻā§āĻ¨āĻā§ āĻā§āĻ˛āĻā§āĻ¯āĻŧ āĻĻāĻžāĻĒā§āĻ¨ āĻ¨āĻšāĻ¯āĻŧ ?
A) Concave Mirror | B) Convex Mirror | C) Plane Mirror â
| D) None of these
Ans: C) Plane Mirror
Explanation: Concave and convex mirrors are spherical mirrors, whereas a plane mirror has a flat surface and is not spherical. āĻŦā§āĻ¯āĻžāĻā§āĻ¯āĻž: āĻ
ā§ąāĻ¤āĻ˛ āĻā§°ā§ āĻāĻ¤ā§āĻ¤āĻ˛ āĻĻāĻžāĻĒā§āĻ¨ āĻā§āĻ˛āĻā§āĻ¯āĻŧ āĻĻāĻžāĻĒā§āĻ¨, āĻāĻŋāĻ¨ā§āĻ¤ā§ āĻ¸āĻŽāĻ¤āĻ˛ āĻĻāĻžāĻĒā§āĻ¨ āĻā§āĻ˛āĻā§āĻ¯āĻŧ āĻ¨āĻšāĻ¯āĻŧāĨ¤
Trick (āĻŽāĻ¨āĻ¤ ā§°āĻžāĻāĻŋāĻŦ)
- Plane Mirror → Flat Surface
- Concave Mirror → Curved Inward
- Convex Mirror → Curved Outward
- Concave + Convex = Spherical Mirrors
- Plane Mirror = Non-spherical Mirror
