Question 30
A pulse of a sound is transmitted from a ship and the reflection from the sea bed is recorded after 0.2s. Calculate the depth of the sea. [Take speed of sound in sea water = 1560ms-1]
Objective
Question details
- Exam body
- WAEC
- Subject
- Physics
- Year
- 2002
- Question no.
- #30
- Type
- Objective
More from this paper
- Q26The size of the hole of a pin hole camera is increased. The resultant image…
- Q27The refractive index of a medium relative to air is 1.8. Calculate to the…
- Q28A converging lens of focal length 15cm forms a virtual image at a point 10cm…
- Q32Which of the following instruments is not a wind instrument?
- Q33Which of the following actions will not cause an increase in the frequency of a…
- Q34Which of the following items can be used to compare the relative magnitudes of…