EWT | Academic Question

Questions
Question (11)
QN001811
A person standing in the umbra region during a solar eclipse will observe
  • (A) No eclipse
  • (B) Partial eclipse
  • (C) Total eclipse
  • (D) Lunar eclipse

Correct Answer: C
Explanation:

Umbra is the darkest part of the shadow where total eclipse is seen.

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Question (12)
QN001812
A person standing in the penumbra region during a solar eclipse will observe
  • (A) Total solar eclipse
  • (B) Partial solar eclipse
  • (C) Lunar eclipse
  • (D) No change in the Sun

Correct Answer: B
Explanation:

Penumbra causes only part of the Sun to appear covered.

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Question (13)
QN001813
Which statement correctly explains why eclipses do not occur every month?
  • (A) The Moon produces its own light
  • (B) The Moon’s orbit is tilted slightly
  • (C) Earth rotates too slowly
  • (D) The Sun changes position daily

Correct Answer: B
Explanation:

The Moon’s tilted orbit prevents perfect alignment every month.

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Question (14)
QN001814
Which eclipse can be safely viewed directly with the naked eye?
  • (A) Solar eclipse
  • (B) Partial solar eclipse
  • (C) Lunar eclipse
  • (D) Annular eclipse only

Correct Answer: C
Explanation:

Lunar eclipses are safe to observe directly.

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Question (15)
QN001815
Looking directly at the Sun during a solar eclipse may damage the
  • (A) Ears
  • (B) Skin
  • (C) Eyes
  • (D) Hair

Correct Answer: C
Explanation:

Direct sunlight can permanently damage eyesight.

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Question (16)
QN001816
Which instrument is specially designed for safe viewing of a solar eclipse?
  • (A) Microscope
  • (B) Solar eclipse goggles
  • (C) Binoculars without filters
  • (D) Magnifying glass

Correct Answer: B
Explanation:

Special eclipse goggles protect the eyes from harmful sunlight.

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Question (17)
QN001817
Which method is safe for observing a solar eclipse?
  • (A) Looking directly with naked eyes
  • (B) Using smoked glass
  • (C) Using a mirror projection method
  • (D) Using ordinary sunglasses

Correct Answer: C
Explanation:

Projection methods safely allow eclipse observation.

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Question (18)
QN001818
During a lunar eclipse, the Moon often appears reddish because
  • (A) The Moon becomes hot
  • (B) Earth’s atmosphere bends red light onto the Moon
  • (C) The Moon produces red light
  • (D) The Sun becomes cooler

Correct Answer: B
Explanation:

Red light bends through Earth’s atmosphere and reaches the Moon.

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Question (19)
QN001819
The Moon can completely cover the Sun during a total solar eclipse because
  • (A) The Moon is larger than the Sun
  • (B) The Moon is very close to Earth compared to the Sun
  • (C) The Sun becomes smaller temporarily
  • (D) Earth pushes the Moon forward

Correct Answer: B
Explanation:

The Moon appears similar in size because it is much closer to Earth.

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Question (20)
QN001820
Which eclipse can be seen from a larger area of Earth?
  • (A) Total solar eclipse
  • (B) Lunar eclipse
  • (C) Partial solar eclipse only
  • (D) Annular eclipse only

Correct Answer: B
Explanation:

Lunar eclipses are visible from the entire night side of Earth.

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