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Question (31)

QN002381

If the reflective coating is applied on the outer curved surface of a curved glass piece, the mirror formed is generally:

(A) Convex mirror
(B) Plane mirror
(C) Concave mirror
(D) Transparent mirror

Correct Answer: C

Explanation:

Coating the outer surface makes the inner surface reflective, forming a concave mirror.

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Question (32)

QN002382

If the reflective coating is applied on the inner curved surface of a curved glass piece, the mirror formed is generally:

(A) Convex mirror
(B) Plane mirror
(C) Concave mirror
(D) None

Correct Answer: A

Explanation:

Coating the inner surface leaves the outer surface reflective, forming a convex mirror.

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Question (33)

QN002383

A teacher places three mirrors before students. One mirror always shows the object upright but smaller. Which mirror is it?

(A) Plane mirror
(B) Convex mirror
(C) Concave mirror
(D) Any mirror

Correct Answer: B

Explanation:

A convex mirror always forms an upright and diminished image.

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Question (34)

QN002384

A student stands very close to a concave mirror and sees a magnified face. This observation indicates that a concave mirror can produce:

(A) Only diminished images
(B) Only inverted images
(C) Enlarged erect images
(D) No image

Correct Answer: C

Explanation:

A nearby object in front of a concave mirror produces an enlarged erect image.

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Question (35)

QN002385

Which of the following pairs is correctly matched?

(A) Dentist – Convex mirror
(B) Store surveillance – Concave mirror
(C) Road intersection – Convex mirror
(D) Torch reflector – Convex mirror

Correct Answer: C

Explanation:

Convex mirrors are commonly used at road intersections for wider visibility.

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Question (36)

QN002386

A mirror used for surveillance should mainly provide:

(A) Magnification
(B) Wide area visibility
(C) Inverted images
(D) Same-sized images

Correct Answer: B

Explanation:

Surveillance mirrors should cover the maximum possible area.

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Question (37)

QN002387

Which observation helps distinguish a convex mirror from a plane mirror?

(A) Both form erect images
(B) Convex mirror forms diminished images
(C) Both show lateral inversion
(D) Both reflect light

Correct Answer: B

Explanation:

A convex mirror forms smaller images, unlike a plane mirror.

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Question (38)

QN002388

Bhāskara II’s time astronomers observed stars using reflections in shallow bowls of water. This example mainly highlights:

(A) Use of electricity
(B) Understanding of reflection in practice
(C) Use of lenses
(D) Use of telescopes only

Correct Answer: B

Explanation:

The example demonstrates practical use of reflection.

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Question (39)

QN002389

A village installs mirrors in a solar-cooking setup to concentrate sunlight. Which type of mirror is most suitable?

(A) Plane mirror
(B) Convex mirror
(C) Concave mirror
(D) Any mirror

Correct Answer: C

Explanation:

Concave mirrors can concentrate sunlight at a focus.

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Question (40)

QN002390

Which statement best represents the role of spherical mirrors in society?

(A) They are only laboratory equipment
(B) They have no practical applications
(C) They are used in transportation, healthcare, security, and energy systems
(D) They are used only for decoration

Correct Answer: C

Explanation:

Spherical mirrors have many practical applications in daily life.

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Question (31)

If the reflective coating is applied on the outer curved surface of a curved glass piece, the mirror formed is generally:

Explanation:

Link:

Question (32)

If the reflective coating is applied on the inner curved surface of a curved glass piece, the mirror formed is generally:

Explanation:

Link:

Question (33)

A teacher places three mirrors before students. One mirror always shows the object upright but smaller. Which mirror is it?

Explanation:

Link:

Question (34)

A student stands very close to a concave mirror and sees a magnified face. This observation indicates that a concave mirror can produce:

Explanation:

Link:

Question (35)

Which of the following pairs is correctly matched?

Explanation:

Link:

Question (36)

A mirror used for surveillance should mainly provide:

Explanation:

Link:

Question (37)

Which observation helps distinguish a convex mirror from a plane mirror?

Explanation:

Link:

Question (38)

Bhāskara II’s time astronomers observed stars using reflections in shallow bowls of water. This example mainly highlights:

Explanation:

Link:

Question (39)

A village installs mirrors in a solar-cooking setup to concentrate sunlight. Which type of mirror is most suitable?

Explanation:

Link:

Question (40)

Which statement best represents the role of spherical mirrors in society?

Explanation:

Link:

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