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Question (31)

QN00571

A student notices that shadows become longer in the evening because the Sun appears

(A) directly overhead
(B) lower in the sky
(C) absent from the sky
(D) brighter than noon

Correct Answer: B

Explanation:

Lower Sun positions create longer shadows.

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Question (32)

QN00572

Which of the following situations best demonstrates shadow formation?

(A) Reading through clear glass
(B) Looking into a mirror
(C) Standing under sunlight near a wall
(D) Viewing objects through water

Correct Answer: C

Explanation:

Sunlight blocked by the body forms a shadow.

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Question (33)

QN00573

The dark region formed behind an opaque object when light is blocked is known as

(A) image
(B) reflection
(C) shadow
(D) refraction

Correct Answer: C

Explanation:

Blocking light creates a shadow.

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Question (34)

QN00574

A student observes that the shadow of a football changes size as the torch moves. This shows that shadow size depends on

(A) smell of the ball
(B) distances involved
(C) colour of the torch
(D) shape of the wall only

Correct Answer: B

Explanation:

Changing distance changes shadow size.

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Question (35)

QN00575

Which object below would form the clearest shadow?

(A) Transparent plastic sheet
(B) Tracing paper
(C) Thick cardboard
(D) Thin muslin cloth

Correct Answer: C

Explanation:

Opaque objects form sharp shadows.

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Question (36)

QN00576

A student places a translucent plastic sheet between a bulb and a screen. The shadow formed will most likely be

(A) very dark and sharp
(B) faint and unclear
(C) completely absent
(D) brighter than the bulb

Correct Answer: B

Explanation:

Translucent objects form faint shadows.

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Question (37)

QN00577

A shadow changes direction during the day mainly because Earth

(A) rotates on its axis
(B) becomes larger
(C) blocks moonlight
(D) changes colour

Correct Answer: A

Explanation:

Earth’s rotation changes the Sun’s apparent position.

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Question (38)

QN00578

Which statement about the shape of shadows is correct?

(A) Shadows always have the same colour as objects
(B) Shadows depend on the outline of objects
(C) Shadows are always rectangular
(D) Shadows emit light at night

Correct Answer: B

Explanation:

Shadow shape depends on object outline.

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Question (39)

QN00579

A streetlight forms long shadows of people standing far from it because the light reaches them at a

(A) straight downward angle
(B) slanting angle
(C) curved angle
(D) vertical angle only

Correct Answer: B

Explanation:

Slanting light produces long shadows.

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Question (40)

QN00580

Traditional Indian shadow puppetry works mainly on the principle of

(A) refraction of light
(B) formation of shadows by opaque objects
(C) splitting of sunlight
(D) absorption of sound

Correct Answer: B

Explanation:

Opaque puppets block light and create shadows.

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Question (31)

A student notices that shadows become longer in the evening because the Sun appears

Explanation:

Link:

Question (32)

Which of the following situations best demonstrates shadow formation?

Explanation:

Link:

Question (33)

The dark region formed behind an opaque object when light is blocked is known as

Explanation:

Link:

Question (34)

A student observes that the shadow of a football changes size as the torch moves. This shows that shadow size depends on

Explanation:

Link:

Question (35)

Which object below would form the clearest shadow?

Explanation:

Link:

Question (36)

A student places a translucent plastic sheet between a bulb and a screen. The shadow formed will most likely be

Explanation:

Link:

Question (37)

A shadow changes direction during the day mainly because Earth

Explanation:

Link:

Question (38)

Which statement about the shape of shadows is correct?

Explanation:

Link:

Question (39)

A streetlight forms long shadows of people standing far from it because the light reaches them at a

Explanation:

Link:

Question (40)

Traditional Indian shadow puppetry works mainly on the principle of

Explanation:

Link:

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