Measuring the speed of sound Flashcards
1
Q
What is the speed of sound in air?
A
Between 330 - 340 m/s depending on the air temperature
1
Q
Give a practical on exploring the speed of sound:
A
Use the equation speed = Distance ÷ Time
One person goes a set distance away (over 100m)
Second person stays at the start
First person makes a visible loud noise (pop a balloon)
Time how long it takes for the sound to reach the start
2
Q
SOUND TRAVELS AT DIFFERENT SPEEDS IN SOLIDS AND IN LIQUIDS
A
SOUND TRAVELS AT DIFFERENT SPEEDS IN SOLIDS AND IN LIQUIDS
3
Q
What is the speed of sound in Water?
A
1500 m/s
4
Q
Sound travels fastest in dense solids e.g. in steel the speed of sound is 6000 m/s
A
Sound travels fastest in dense solids e.g. in steel the speed of sound is 6000 m/s
