The Earth makes a complete rotation about its axis in 24 hours. Through what angle will it turn in 3 hours 30 minutes?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 52.5°
Calculations:
In 24 hours earth rotates 360°
⇒ 24 hours = 360°
⇒ 1 hour = 15°
3 hour 30 mins in hours = 7/2 hours
Required angle = (7/2) × 15°
⇒ 52.5°