Wave Superposition

this is an

• internal pattern

• interference pattern

• intersectional pattern

When a traveling wave on a string hits a fixed end, the wave

• turns upside down and reflects back

• reflects back right side up

Sound waves of different frequencies travel at different speeds

• true

• false

An oboe plays the note A, at 440 Hz. A violin plays a very similar note, at 437 Hz. The sounds of the oboe and violin create beats, at what frequency?

• 7 Hz

• 438 Hz

• 3 Hz

• 439 Hz

If the period of a wave is 5 seconds, what is the product of the wave period and the wave frequency?

• 25 sec

• 1/25

• 1

• 5 Hz

Constructive interference can be destructive to ships

• true

• false

When two waves traveling in opposite directions encounter each other, they ...

• smash

• bounce off each other

• slide over each other and move on

Rogue waves are created by ...

• a short lived and localized constructive interference between wind driven waves

• underwater earth quakes

Two waves of the same amplitude and frequency traveling in opposite direction

• cancel each other out

• create a wave that gets larger and smaller over time

• create a large amplitude wave

These are the harmonics of a ...

• string fixed at both ends

• pipe open at both ends

• pipe open at one end