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Q137
(NDA-I/2023)
Geography › World Physical Geography
Official Key
Which of the following positions of Sun, Earth and Moon is/are suitable for Spring Tide ? 1. SYZYGY Conjunction 2. SYZYGY Opposition 3. Quadrature Select the correct answer using the code given below :
Result
Your answer:
—
·
Correct:
C
Explanation
Spring tides occur when the gravitational forces of the Sun and the Moon reinforce each other, resulting in the highest tidal range (highest high tides and lowest low tides). This happens when the Sun, Earth, and Moon are aligned in a straight line, a configuration known as Syzygy.
- SYZYGY Conjunction: This occurs during the New Moon, when the Moon is positioned between the Earth and the Sun. Their combined gravitational pull creates a spring tide.
- SYZYGY Opposition: This occurs during the Full Moon, when the Earth is between the Sun and the Moon. The gravitational alignment along the same axis also produces a spring tide.
- Quadrature: This refers to the Moon being at a right angle to the Sun-Earth line, which results in Neap Tides (lower tidal range) as the forces counteract each other.
Therefore, only positions 1 and 2 are suitable for Spring Tides.
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