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Question (11)

QN00591

Which type of surface produces irregular reflection?

(A) Smooth steel plate
(B) Plane mirror
(C) Polished marble
(D) Uneven road surface

Correct Answer: D

Explanation:

Uneven surfaces scatter reflected light.

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Question (12)

QN00592

Reflection from a mirror allows us to see objects because the mirror

(A) creates new light
(B) bends light completely
(C) sends light back to our eyes
(D) blocks all light

Correct Answer: C

Explanation:

Reflected light reaches our eyes.

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Question (13)

QN00593

A student shines light on aluminium foil. The reflected light is strongest when the foil surface is

(A) crumpled
(B) dusty
(C) smooth and shiny
(D) wet with mud

Correct Answer: C

Explanation:

Smooth shiny surfaces reflect more light.

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Question (14)

QN00594

Which object below is mainly used due to its reflecting property?

(A) Mirror
(B) Cardboard
(C) Brick
(D) Cotton cloth

Correct Answer: A

Explanation:

Mirrors are designed to reflect light.

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Question (15)

QN00595

Reflection from a smooth surface is called

(A) irregular reflection
(B) diffuse reflection
(C) regular reflection
(D) absorption

Correct Answer: C

Explanation:

Smooth surfaces produce regular reflection.

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Question (16)

QN00596

A rough surface reflects light in many directions. This process is called

(A) regular reflection
(B) irregular reflection
(C) refraction
(D) shadow formation

Correct Answer: B

Explanation:

Rough surfaces cause irregular reflection.

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Question (17)

QN00597

Which material would be best for making a reflector in a torch?

(A) Black paper
(B) Rough wood
(C) Polished metal
(D) Thick cloth

Correct Answer: C

Explanation:

Polished metals reflect light effectively.

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Question (18)

QN00598

A student notices a bright glare from a polished car surface in sunlight. This is due to

(A) absorption of light
(B) regular reflection
(C) shadow formation
(D) refraction of light

Correct Answer: B

Explanation:

Smooth polished surfaces reflect light strongly.

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Question (19)

QN00599

Which of the following surfaces is least suitable for reflection?

(A) Smooth mirror
(B) Calm water
(C) Polished steel
(D) Rough cement wall

Correct Answer: D

Explanation:

Rough cement walls scatter light irregularly.

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Question (20)

QN00600

A mirror forms a clear image because its surface is

(A) rough
(B) transparent
(C) smooth and polished
(D) coloured black

Correct Answer: C

Explanation:

Smooth surfaces produce clear reflections.

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Question (11)

Which type of surface produces irregular reflection?

Explanation:

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Question (12)

Reflection from a mirror allows us to see objects because the mirror

Explanation:

Link:

Question (13)

A student shines light on aluminium foil. The reflected light is strongest when the foil surface is

Explanation:

Link:

Question (14)

Which object below is mainly used due to its reflecting property?

Explanation:

Link:

Question (15)

Reflection from a smooth surface is called

Explanation:

Link:

Question (16)

A rough surface reflects light in many directions. This process is called

Explanation:

Link:

Question (17)

Which material would be best for making a reflector in a torch?

Explanation:

Link:

Question (18)

A student notices a bright glare from a polished car surface in sunlight. This is due to

Explanation:

Link:

Question (19)

Which of the following surfaces is least suitable for reflection?

Explanation:

Link:

Question (20)

A mirror forms a clear image because its surface is

Explanation:

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