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Physics CBSE Live product
Class 8 (2025-26)
Keeping time with the skies
Revision I - Keeping time with the skies
6.
What if the Earth changed?
Question:
2
m.
Select the best answer:
1
.
What if the Earth took exactly \(365\) days (without the extra quarter day) to orbit the Sun?
A lunar year would become longer
February would have \(30\) days
The seasons would disappear
Leap years would not be necessary
2
.
What would happen if the sidereal year and the tropical year were exactly the same?
The Moon’s phases would stop
There would be no difference between star-based and season-based calendars
The stars would not change position
Leap years would not be needed
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