Question:
On which days, the direct rays of sun, fall on the equator?
On which days, the direct rays of sun, fall on the equator?
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The direct (vertical) rays of the Sun fall on the equator on the equinoxes, the two days each year when day and night are equal everywhere on Earth.
Updated On: Jun 16, 2026
- 19\(^{th}\) March and 19\(^{th}\) September
- 21\(^{st}\) February and 23\(^{rd}\) August
- 21\(^{st}\) March and 23\(^{rd}\) September
- 19\(^{th}\) February and 19\(^{th}\) August
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The Correct Option is C
Solution and Explanation
Concept:
The direct (vertical) rays of the Sun fall on the equator on the equinoxes, the two days each year when day and night are equal everywhere on Earth.
Step 1:
Because of the tilt of the Earth's axis, the Sun appears to be overhead at the equator twice a year as it moves between the Tropic of Cancer and the Tropic of Capricorn.
Step 2:
These two equinox dates are the Spring (vernal) equinox on about 21st March and the Autumn equinox on about 23rd September. On both days the Sun's rays strike the equator directly.
Answer: Option (3) — 21st March and 23rd September.
The direct (vertical) rays of the Sun fall on the equator on the equinoxes, the two days each year when day and night are equal everywhere on Earth.
Step 1:
Because of the tilt of the Earth's axis, the Sun appears to be overhead at the equator twice a year as it moves between the Tropic of Cancer and the Tropic of Capricorn.
Step 2:
These two equinox dates are the Spring (vernal) equinox on about 21st March and the Autumn equinox on about 23rd September. On both days the Sun's rays strike the equator directly.
Answer: Option (3) — 21st March and 23rd September.
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