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Cambridge IGCSE. 2025. Physics (0625). May/June - Paper 2 (22) · Multiple Choice (Extended) - Question 24

Cambridge IGCSE · Paper 2 (22) · Multiple Choice (Extended)

Question 24

A ship sends an ultrasound pulse to the seabed to measure the depth of the sea.

The speed of ultrasound waves in sea water is 1500 m/s.

The pulse takes 4.6 seconds to travel to the seabed and back to the ship.

What is the depth of the sea?
  1. 330 m
  2. 650 m
  3. 3500 m
  4. 6900 m
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