Everyday Science MCQs: Gravitation And Its Uses

How often do tides occur in one day?

1. Every 12 hours
2. Every 24 hours exactly
3. Every 24 hours and 50 minutes
4. Every 6 hours

Right Answer: (C) Every 24 hours and 50 minutes

Why are tides slightly higher at the poles than at the equator?

1. Gravity is stronger at the poles.
2. The water is deeper at the poles.
3. The sun’s pull is stronger at the equator.
4. The moon is closer to the poles.

Right Answer: (A) Gravity is stronger at the poles.