January 2026
Intermediate
312 pages
10h 23m
English
Content preview from Nvision Foundation Physics Grade 9 2026
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Learning Outcomes
After reading this chapter, you would be able to:
✦ understand wave motion and the different types of waves.
✦ understand how sound wave is produced and travels.
✦ learn the different parameters of wave.
✦ understand reflection of a sound wave and its uses.
✦ learn the different parameters of wave.
Geekspeak
❖ Sound wave
❖ Wave frequency
❖ Wavelength
❖ Non–mechanical wave
❖ Mechanical wave
❖ Transverse wave
❖ Longitudinal wave
❖ Pitch
❖ Loudness
❖ Quality
❖ Intensity
❖ Ultrasound
❖ Sonar
❖ Reverberation
❖ Doppler effect
❖ Human ear
Introduction
When a stone is thrown in a pond of still water, waves or pulses, in form ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.