In order to find the depth of the sea, a ship sends out a sound wave and receives an echo after one second. If the velocity of sound in water is 1500ms-1, w...

Assessment: JAMB UTME - Physics - 1985 Subject: Physics

Question 1 Report

In order to find the depth of the sea, a ship sends out a sound wave and receives an echo after one second. If the velocity of sound in water is 1500ms-1, what is the depth of the sea?
Answer Details
Echo time = 1  ÷  2 = 0.5sec

depth = velocity x time

= 1500 x 0.5

= 750m = 0.75km

Read lesson note on Sound Waves (WAEC)
View Answer

Related Questions

1

In the Fig above, Current I passes through the combination, if the power dissipated in the 5 ohm resistor is 40W, then the power dissipated in the 10 ohm res...
2

Which of the following statements is NOT correct?
3

The graph in the fig above describes the motion of a particle. the acceleration of the particle during the motion is
4

Which of the following features is NOT a characteristic of natural radioactivity?
5

In the Fig above, MN is a light uniform meter rule pivoted at O, the 80cm mark. A load of mass 3.00kg is suspended on the meter rule at L, the 10cm mark. If ...
6

Normal atmospheric pressure at sea-level is 105Nm-2 and the acceleration due to gravity is approximately 10ms-1. If the atmosphere has a uniform density of 1...
7

On which of the following does the operation of a moving coil ammeter depend? i. Electromagnetic induction ii. Force on a carrying-current conductor iii. Mag...
8

What is the number of neutrons in the Uranium isotope \( {}^{238}_{92}X \)?

Download The App On Google Playstore

Everything you need to excel in your exams

Green Bridge CBT Mobile App
Personalized AI Learning Chat Assistant
200,000+ Exam Questions Across IGCSE, JAMB, WAEC & NECO
Over 3,900 Lesson Notes
Offline Support - Learn Anytime, Anywhere
Green Bridge Timetable
Literature Summaries & Potential Questions
Track Your Performance & Progress
In-depth Explanations for Comprehensive Learning