Question

Equinox means -

• A. Days are longer than nights
• B. Nights are longer than days
• C. Days and nights are equal
• D. Only days are longer

Hint:

The two equinoxes occur in March and September each year, marking the beginning of spring and autumn respectively.

Answer 1

The Correct Option is C

Step 1: Meaning of equinox.
An equinox is a sky event that happens twice each year, when the Sun is right above the Earth's equator.

Step 2: The position of Earth.
At this time the Earth's tilt is neither toward the Sun nor away from it. So the Sun's rays fall straight on the equator.

Step 3: What this causes.
Because of this even alignment, day and night become almost equal in length everywhere on Earth.

Step 4: The word itself.
The word comes from Latin. Here aequus means equal and nox means night. So the name itself means equal night.

Step 5: Check the options.
Choices about days being longer or nights being longer describe solstices, not equinox.

Step 6: Conclusion.
So at an equinox, days and nights are equal.
Answer: Days and nights are equal