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Question (11)

QN001731

If it is noon at a location, the Sun appears approximately

(A) Near the western horizon
(B) Near the eastern horizon
(C) Overhead or highest in the sky
(D) Invisible

Correct Answer: C

Explanation:

At noon, the Sun is highest in the sky.

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Question (12)

QN001732

During Earth’s rotation, sunset occurs when a location

(A) Moves into sunlight
(B) Moves away from sunlight into darkness
(C) Stops rotating
(D) Faces the Moon

Correct Answer: B

Explanation:

Sunset occurs when a place moves into the dark side.

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Question (13)

QN001733

Which of the following celestial objects appears nearly stationary in the night sky?

(A) Venus
(B) Mars
(C) Pole Star
(D) Moon

Correct Answer: C

Explanation:

The Pole Star appears fixed because Earth’s axis points near it.

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Question (14)

QN001734

Stars appear to move around the Pole Star mainly because

(A) Stars actually revolve around Earth daily
(B) The Pole Star rotates rapidly
(C) Earth rotates on its axis
(D) The Moon reflects light

Correct Answer: C

Explanation:

Earth’s rotation causes apparent star movement.

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Question (15)

QN001735

If Earth rotated from East to West instead of West to East, the Sun would appear to rise in the

(A) North
(B) South
(C) West
(D) Zenith

Correct Answer: C

Explanation:

The apparent sunrise direction would reverse.

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Question (16)

QN001736

A student observes the Big Dipper at 9 PM and again at 11 PM. The constellation appears shifted because of

(A) Earth’s rotation
(B) Earthquakes
(C) Cloud movement
(D) Ocean tides

Correct Answer: A

Explanation:

Earth’s rotation changes the apparent position of stars.

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Question (17)

QN001737

Which scientist demonstrated Earth’s rotation using a long pendulum?

(A) Newton
(B) Aryabhata
(C) Galileo
(D) Leon Foucault

Correct Answer: D

Explanation:

Foucault used a pendulum to demonstrate Earth’s rotation.

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Question (18)

QN001738

The Foucault pendulum installed in the new Parliament building of India mainly demonstrates

(A) Revolution of Earth
(B) Gravity of Moon
(C) Rotation of Earth
(D) Solar eclipses

Correct Answer: C

Explanation:

The pendulum demonstrates Earth’s rotation.

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Question (19)

QN001739

Aryabhata compared the apparent motion of stars to the observation made by

(A) A pilot in an airplane
(B) A sailor in a moving boat
(C) A child on a swing
(D) A driver in a car

Correct Answer: B

Explanation:

Aryabhata explained apparent motion using a moving boat example.

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Question (20)

QN001740

Aryabhata’s estimated rotational period of Earth was closest to

(A) 10 hours
(B) 18 hours
(C) 24 hours
(D) 48 hours

Correct Answer: C

Explanation:

Aryabhata’s value was very close to 24 hours.

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Question (11)

If it is noon at a location, the Sun appears approximately

Explanation:

Link:

Question (12)

During Earth’s rotation, sunset occurs when a location

Explanation:

Link:

Question (13)

Which of the following celestial objects appears nearly stationary in the night sky?

Explanation:

Link:

Question (14)

Stars appear to move around the Pole Star mainly because

Explanation:

Link:

Question (15)

If Earth rotated from East to West instead of West to East, the Sun would appear to rise in the

Explanation:

Link:

Question (16)

A student observes the Big Dipper at 9 PM and again at 11 PM. The constellation appears shifted because of

Explanation:

Link:

Question (17)

Which scientist demonstrated Earth’s rotation using a long pendulum?

Explanation:

Link:

Question (18)

The Foucault pendulum installed in the new Parliament building of India mainly demonstrates

Explanation:

Link:

Question (19)

Aryabhata compared the apparent motion of stars to the observation made by

Explanation:

Link:

Question (20)

Aryabhata’s estimated rotational period of Earth was closest to

Explanation:

Link:

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