EWT | Academic Question

Questions
Question (11)
QN004360
Which digital tool is specifically suggested for finding stars and constellations?
  • (A) Spreadsheet app
  • (B) Sky mapping app
  • (C) Drawing app
  • (D) Calculator app

Correct Answer: B
Explanation:

Sky mapping apps help locate celestial objects.

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Question (12)
QN004361
Which of the following is mentioned as a handy mobile application for identifying stars and constellations?
  • (A) WhatsApp
  • (B) Sky Map
  • (C) Maps
  • (D) Earth View

Correct Answer: B
Explanation:

Sky Map is specifically mentioned in the chapter.

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Question (13)
QN004362
Which software is mentioned as another useful tool for sky observation?
  • (A) Paint
  • (B) WordPad
  • (C) Stellarium
  • (D) Scratch

Correct Answer: C
Explanation:

Stellarium is a popular sky observation software.

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Question (14)
QN004363
A student wants to observe Orion from India. Which months provide the best opportunity after sunset?
  • (A) June–August
  • (B) July–September
  • (C) December–April
  • (D) May–June

Correct Answer: C
Explanation:

Orion is best viewed from December to April.

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Question (15)
QN004364
A student plans to observe the Pole Star. Which night would be most suitable?
  • (A) Cloudy night with bright Moon
  • (B) Cloudless night with no visible Moon
  • (C) Rainy night
  • (D) Foggy night

Correct Answer: B
Explanation:

A cloudless moonless night gives better visibility.

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Question (16)
QN004365
Why is it preferable to observe the Pole Star on a moonless night?
  • (A) The Pole Star changes position
  • (B) The Pole Star is not very bright
  • (C) The Pole Star twinkles less
  • (D) The Pole Star appears larger

Correct Answer: B
Explanation:

The Pole Star is comparatively dim.

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Question (17)
QN004366
During preparation for night sky watching, which item would help in finding directions?
  • (A) Stopwatch
  • (B) Compass
  • (C) Thermometer
  • (D) Magnifying glass

Correct Answer: B
Explanation:

A compass helps determine directions.

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Question (18)
QN004367
A student reaches an observation site at 8:00 p.m. According to the chapter, at what time will the eyes be properly adjusted to darkness?
  • (A) 8:10 p.m.
  • (B) 8:15 p.m.
  • (C) 8:30 p.m.
  • (D) 9:00 p.m.

Correct Answer: C
Explanation:

Eyes need about 30 minutes to adjust.

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Question (19)
QN004368
The purpose of waiting about half an hour in darkness before observing the sky is to
  • (A) Cool the body
  • (B) Improve hearing ability
  • (C) Allow eyes to adjust to darkness
  • (D) Reduce wind effects

Correct Answer: C
Explanation:

Dark adaptation improves visibility.

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Question (20)
QN004369
Which of the following locations is least suitable for night sky observation?
  • (A) Open playground away from lights
  • (B) Hilltop with dark surroundings
  • (C) Area surrounded by tall buildings and bright lights
  • (D) Open field in a village

Correct Answer: C
Explanation:

Buildings and lights obstruct viewing.

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