Chapter 14 - Sound Flashcards by Gina Elliott

Q

A

Longitudinal
Directions of vibration and propagation are parallel
Compression

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Q

A

0.01 seconds

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Q

State the equation linking speed, distance travelled and time taken

A

speed = distance/time

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Q

A

Reaction time does affect readings (Kefe is right Andrew is wrong)

Reaction times are usually 0.1s which is large compared to results

Reaction times do not cancel out
Time should be to 1 s.f (Kefe is right)
3 s.f inappropriate
Closer to accepted value doesn’t mean more accurate

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