From the full moon day counted as day 1, on which day the moon becomes invisible?

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RRB JE CBT I - (Held On: 1 June 2019 Shift 2)
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  1. Thirteenth day
  2. Tenth day
  3. Fifteenth day
  4. Twelfth day

Answer (Detailed Solution Below)

Option 3 : Fifteenth day
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The correct answer is Fifteenth day

Key Points

  • The moon becomes invisible on the fifteenth day from the full moon day.
  • This day is known as Amavasya in the Hindu lunar calendar.
  • Amavasya marks the end of the waning phase of the moon and is followed by the new moon day.
  • The lunar cycle consists of a waxing phase (from new moon to full moon) and a waning phase (from full moon to new moon).

Additional Information

  • Amavasya is considered an important day in many cultures and is often associated with rituals and religious observances.
  • The term Amavasya is derived from Sanskrit, where "Ama" means together and "Vasya" means to dwell, indicating the conjunction of the sun and the moon.
  • During Amavasya, the moon is positioned between the earth and the sun, making it invisible from the earth.
  • Many cultures believe that Amavasya is a powerful day for spiritual practices and honoring ancestors.
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