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Question (1)

QN0029893

A student in Bhubaneswar notices that during June the daytime is longer than the nighttime. Which factor is mainly responsible for this change?

(A) Earth’s distance from the Sun
(B) Tilt of Earth’s axis during revolution
(C) Rotation speed of Earth
(D) Moon’s gravitational pull

Correct Answer: B

Explanation:

Earth’s tilted axis causes varying lengths of day and night during revolution.

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Question (2)

QN0029894

Which statement correctly distinguishes rotation from revolution?

(A) Rotation causes seasons, revolution causes day and night
(B) Rotation and revolution both take 24 hours
(C) Rotation is spinning on an axis, revolution is movement around another body
(D) Revolution occurs only in planets

Correct Answer: C

Explanation:

Earth rotates on its axis and revolves around the Sun.

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Question (3)

QN0029895

If Earth suddenly stopped rotating but continued revolving around the Sun, the most immediate effect would be

(A) No seasons
(B) No eclipses
(C) No day and night cycle
(D) No gravity on Earth

Correct Answer: C

Explanation:

Rotation causes day and night.

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Question (4)

QN0029896

A place near the Equator generally experiences nearly equal day and night throughout the year because

(A) It receives no sunlight
(B) It is equally exposed to sunlight during revolution
(C) The Moon reflects extra light there
(D) Earth’s orbit changes near the Equator

Correct Answer: B

Explanation:

Equatorial regions receive nearly uniform sunlight.

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Question (5)

QN0029897

During a lunar eclipse, an astronaut standing on the Moon would observe

(A) Earth blocking the Sun
(B) The Moon disappearing
(C) Earth producing its own light
(D) The Sun revolving around Earth

Correct Answer: A

Explanation:

Earth comes between the Sun and Moon during a lunar eclipse.

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Question (6)

QN0029898

Which of the following is observed due to Earth’s revolution around the Sun?

(A) Alternation of day and night
(B) Phases of the Moon
(C) Change in visible constellations during the year
(D) Formation of tides

Correct Answer: C

Explanation:

Revolution changes Earth’s viewing direction in space.

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Question (7)

QN0029899

A student observes sunrise at 5:30 AM in June and at 6:30 AM in December at the same place. This difference is mainly due to

(A) Earth’s revolution and tilt
(B) Solar eclipses
(C) Moon’s rotation
(D) Shape of clouds

Correct Answer: A

Explanation:

Revolution with axial tilt changes the duration of daylight.

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Question (8)

QN0029900

Which statement about a total solar eclipse is correct?

(A) It can be safely viewed without protection at all times
(B) It occurs on every full moon day
(C) The Moon completely covers the Sun from certain regions of Earth
(D) Earth’s shadow completely covers the Sun

Correct Answer: C

Explanation:

The Moon’s umbra falls on a narrow region of Earth.

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Question (9)

QN0029901

If Earth took 48 hours to complete one rotation, the length of one day would become

(A) 12 hours
(B) 24 hours
(C) 48 hours
(D) 365 days

Correct Answer: C

Explanation:

One complete rotation defines one day.

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Question (10)

QN0029902

During December, Australia experiences summer while India experiences winter because

(A) Australia is closer to the Sun
(B) Different hemispheres receive different sunlight due to Earth’s tilt
(C) Earth rotates faster in Australia
(D) The Moon affects Australia differently

Correct Answer: B

Explanation:

Seasons are opposite in opposite hemispheres.

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Question (1)

A student in Bhubaneswar notices that during June the daytime is longer than the nighttime. Which factor is mainly responsible for this change?

Explanation:

Link:

Question (2)

Which statement correctly distinguishes rotation from revolution?

Explanation:

Link:

Question (3)

If Earth suddenly stopped rotating but continued revolving around the Sun, the most immediate effect would be

Explanation:

Link:

Question (4)

A place near the Equator generally experiences nearly equal day and night throughout the year because

Explanation:

Link:

Question (5)

During a lunar eclipse, an astronaut standing on the Moon would observe

Explanation:

Link:

Question (6)

Which of the following is observed due to Earth’s revolution around the Sun?

Explanation:

Link:

Question (7)

A student observes sunrise at 5:30 AM in June and at 6:30 AM in December at the same place. This difference is mainly due to

Explanation:

Link:

Question (8)

Which statement about a total solar eclipse is correct?

Explanation:

Link:

Question (9)

If Earth took 48 hours to complete one rotation, the length of one day would become

Explanation:

Link:

Question (10)

During December, Australia experiences summer while India experiences winter because

Explanation:

Link:

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