In this post, let’s look at what’s tested in the topic of sound in O Level Physics.
Watch the video here to learn in detail.
Below, you’ll find a checklist on the items you would need to know on this topic on transfer of sound.
Checklist for O Level Physics Topic: Sound
✓ sound is produced by vibration
✓ sound waves are longitudinal waves
✓ what are rarefactions and compressions
✓ how speed of sound changes in different medium (i.e. solid, liquid, gas)
✓ how to measure speed of sound
✓ what’s echo and its uses
✓ what’s ultrasound and its uses
Watch the video below to learn the points in detail: