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Question (31)

QN00611

A student sees sunlight reflected strongly from a glass building. The glass surface mainly causes

(A) shadow formation
(B) regular reflection
(C) absorption
(D) scattering only

Correct Answer: B

Explanation:

Smooth glass surfaces produce regular reflection.

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Question (32)

QN00612

Which statement correctly compares smooth and rough surfaces?

(A) Both produce equally clear reflections
(B) Smooth surfaces reflect light regularly
(C) Rough surfaces reflect light regularly
(D) Smooth surfaces absorb all light

Correct Answer: B

Explanation:

Smooth surfaces produce regular reflection.

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Question (33)

QN00613

Reflection from rough paper allows us to read printed text because the paper

(A) reflects light in many directions
(B) absorbs all light
(C) becomes luminous
(D) blocks reflected light completely

Correct Answer: A

Explanation:

Diffuse reflection allows visibility from many angles.

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Question (34)

QN00614

A polished spoon can show a faint image because it

(A) blocks light
(B) reflects light
(C) absorbs light
(D) produces shadows only

Correct Answer: B

Explanation:

Polished surfaces reflect light.

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Question (35)

QN00615

Which surface would produce the clearest reflection of a candle flame?

(A) Muddy water
(B) Crumpled paper
(C) Plane mirror
(D) Rough stone

Correct Answer: C

Explanation:

Plane mirrors produce sharp reflections.

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Question (36)

QN00616

A mirror used in a dressing table is usually plane because it produces

(A) no reflection
(B) clear upright images
(C) coloured images only
(D) enlarged shadows

Correct Answer: B

Explanation:

Plane mirrors form upright images.

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Question (37)

QN00617

Reflection of light from road signs helps drivers because the signs

(A) absorb vehicle headlights
(B) reflect light towards drivers
(C) block all incoming light
(D) create shadows on roads

Correct Answer: B

Explanation:

Reflective signs return light toward drivers.

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Question (38)

QN00618

Which of the following conditions gives the best reflection from water?

(A) Water with large waves
(B) Water mixed with sand
(C) Still water surface
(D) Boiling water

Correct Answer: C

Explanation:

Smooth still water reflects light clearly.

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Question (39)

QN00619

Traditional Indian metal mirrors were polished carefully mainly to

(A) absorb more light
(B) form clearer reflections
(C) stop light transmission
(D) create shadows only

Correct Answer: B

Explanation:

Polishing improves reflection quality.

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Question (40)

QN00620

A student points a torch toward a shiny steel plate and notices reflected light on the wall. This shows that light

(A) can bounce back from smooth surfaces
(B) always travels through steel
(C) disappears after striking metal
(D) forms shadows only

Correct Answer: A

Explanation:

Smooth shiny surfaces reflect light back.

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Question (31)

A student sees sunlight reflected strongly from a glass building. The glass surface mainly causes

Explanation:

Link:

Question (32)

Which statement correctly compares smooth and rough surfaces?

Explanation:

Link:

Question (33)

Reflection from rough paper allows us to read printed text because the paper

Explanation:

Link:

Question (34)

A polished spoon can show a faint image because it

Explanation:

Link:

Question (35)

Which surface would produce the clearest reflection of a candle flame?

Explanation:

Link:

Question (36)

A mirror used in a dressing table is usually plane because it produces

Explanation:

Link:

Question (37)

Reflection of light from road signs helps drivers because the signs

Explanation:

Link:

Question (38)

Which of the following conditions gives the best reflection from water?

Explanation:

Link:

Question (39)

Traditional Indian metal mirrors were polished carefully mainly to

Explanation:

Link:

Question (40)

A student points a torch toward a shiny steel plate and notices reflected light on the wall. This shows that light

Explanation:

Link:

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