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Question (21)

QN00601

Which statement about reflected light is correct?

(A) Reflected light always disappears
(B) Reflected light travels back from a surface
(C) Reflected light cannot enter eyes
(D) Reflected light forms shadows only

Correct Answer: B

Explanation:

Reflected light bounces back from surfaces.

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Question (22)

QN00602

A person standing near a lake sees mountain images in the water only when the water surface is

(A) muddy
(B) rough
(C) calm and smooth
(D) covered with waves

Correct Answer: C

Explanation:

Smooth water gives regular reflection.

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Question (23)

QN00603

Which activity best demonstrates reflection of light?

(A) Observing a shadow on a wall
(B) Looking into a mirror
(C) Viewing through tracing paper
(D) Passing light through holes

Correct Answer: B

Explanation:

Mirrors reflect light and form images.

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Question (24)

QN00604

The brightness of reflected light from a surface increases when the surface becomes

(A) rougher
(B) darker
(C) smoother
(D) more porous

Correct Answer: C

Explanation:

Smooth surfaces reflect light more effectively.

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Question (25)

QN00605

Which object reflects light irregularly?

(A) Plane mirror
(B) Smooth water surface
(C) Shiny metal plate
(D) Crumpled aluminium foil

Correct Answer: D

Explanation:

Crumpled surfaces scatter light in many directions.

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Question (26)

QN00606

Reflection helps drivers at night because vehicle mirrors

(A) absorb all light
(B) reflect images of vehicles behind
(C) produce light automatically
(D) form shadows of vehicles

Correct Answer: B

Explanation:

Mirrors reflect images from behind vehicles.

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Question (27)

QN00607

A student compares two surfaces. Surface A forms a clear image while Surface B does not. Surface A most likely has

(A) a rough texture
(B) a smooth polished surface
(C) a translucent surface
(D) a dark colour only

Correct Answer: B

Explanation:

Clear images form on smooth polished surfaces.

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Question (28)

QN00608

Which property of mirrors is used in periscopes?

(A) Refraction
(B) Dispersion
(C) Reflection
(D) Absorption

Correct Answer: C

Explanation:

Periscopes work using reflection from mirrors.

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Question (29)

QN00609

A beam of light strikes a polished mirror and changes direction. The mirror acts as a

(A) luminous source
(B) reflector
(C) absorber
(D) shadow screen

Correct Answer: B

Explanation:

Reflectors bounce light back.

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Question (30)

QN00610

Which of the following would produce the weakest reflection?

(A) Polished silver plate
(B) Mirror
(C) Calm water
(D) Black rough cloth

Correct Answer: D

Explanation:

Rough black surfaces absorb more light.

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Question (21)

Which statement about reflected light is correct?

Explanation:

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Question (22)

A person standing near a lake sees mountain images in the water only when the water surface is

Explanation:

Link:

Question (23)

Which activity best demonstrates reflection of light?

Explanation:

Link:

Question (24)

The brightness of reflected light from a surface increases when the surface becomes

Explanation:

Link:

Question (25)

Which object reflects light irregularly?

Explanation:

Link:

Question (26)

Reflection helps drivers at night because vehicle mirrors

Explanation:

Link:

Question (27)

A student compares two surfaces. Surface A forms a clear image while Surface B does not. Surface A most likely has

Explanation:

Link:

Question (28)

Which property of mirrors is used in periscopes?

Explanation:

Link:

Question (29)

A beam of light strikes a polished mirror and changes direction. The mirror acts as a

Explanation:

Link:

Question (30)

Which of the following would produce the weakest reflection?

Explanation:

Link:

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