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Question (21)

QN0013364

If the Sun appears low in the sky, the shadow is likely to be:

(A) Very short
(B) Long
(C) Invisible
(D) Circular

Correct Answer: B

Explanation:

Low Sun position produces long shadows.

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Question (22)

QN0013365

If the Sun appears overhead, the shadow is likely to be:

(A) Long
(B) Very wide
(C) Short
(D) Double

Correct Answer: C

Explanation:

Overhead Sun produces the shortest shadow.

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Question (23)

QN0013366

Which observation shows that the direction of light has changed?

(A) Shadow changes direction
(B) Shadow becomes noisy
(C) Shadow changes colour
(D) Shadow becomes warm

Correct Answer: A

Explanation:

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Question (24)

QN0013367

A tree's shadow falls towards one side in the morning and another side in the evening because:

(A) The tree moves
(B) The Sun appears to move across the sky
(C) The tree changes height
(D) The wind pushes the shadow

Correct Answer: B

Explanation:

The changing position of the Sun changes shadow direction.

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Question (25)

QN0013368

Which of the following will definitely produce a shadow when light falls on it?

(A) A stick
(B) A notebook
(C) A ball
(D) All of these

Correct Answer: D

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Question (26)

QN0013369

In the classroom activity, what happened when the direction of the torch was changed?

(A) The stick disappeared
(B) The shadow changed direction
(C) The room brightened permanently
(D) The stick changed shape

Correct Answer: B

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Question (27)

QN0013370

Which of these is an example of playing with shadows?

(A) Shadow puppetry
(B) Swimming
(C) Gardening
(D) Reading

Correct Answer: A

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Question (28)

QN0013371

Ancient people used shadows to:

(A) Cook food
(B) Measure rainfall
(C) Tell time
(D) Store water

Correct Answer: C

Explanation:

Sundials use shadows to tell time.

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Question (29)

QN0013372

What is a sundial?

(A) A device that tells time using shadows
(B) A clock powered by batteries
(C) A telescope
(D) A mirror

Correct Answer: A

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Question (30)

QN0013373

The Samrat Yantra is famous because it:

(A) Creates shadows of animals
(B) Tells time accurately using shadows
(C) Produces sunlight
(D) Measures rainfall

Correct Answer: B

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Question (21)

If the Sun appears low in the sky, the shadow is likely to be:

Explanation:

Link:

Question (22)

If the Sun appears overhead, the shadow is likely to be:

Explanation:

Link:

Question (23)

Which observation shows that the direction of light has changed?

Explanation:

Link:

Question (24)

A tree's shadow falls towards one side in the morning and another side in the evening because:

Explanation:

Link:

Question (25)

Which of the following will definitely produce a shadow when light falls on it?

Explanation:

Link:

Question (26)

In the classroom activity, what happened when the direction of the torch was changed?

Explanation:

Link:

Question (27)

Which of these is an example of playing with shadows?

Explanation:

Link:

Question (28)

Ancient people used shadows to:

Explanation:

Link:

Question (29)

What is a sundial?

Explanation:

Link:

Question (30)

The Samrat Yantra is famous because it:

Explanation:

Link:

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