Unit 09 - Practice Test

Last updated about 3 years ago
20 questions
2

As a transverse wave travels through a rope from left to right, the parts of the rope _____.

2

The frequency of a wave describes _____.

4

The wavelength of a wave increases if the ______.

4

A sound wave is a pressure wave; regions of high (compressions) and low pressure (rarefactions) are established as the result of the vibrations of the sound source. These compressions and rarefactions result because sound

4

A sound wave is different than a light wave in that a sound wave is

2

Which of these has a 'Higher' frequency?

2

Which of these has a 'Higher' period?

4

Two musical notes that have a frequency ratio of 2:1 are said to be separated by an octave. A musical note that is separated by an octave from middle C (256 Hz) has a frequency of _____.

10

Drag and drop each of the following items to the correct category.

  • two upward pulses traveling in opposite directions within a medium
  • an upward and downward pulse traveling in the same direction within a medium
  • two downward pulses traveling in the same direction within a medium
  • considered 'anti-nodal'
  • considered 'nodal'
  • an upward and downward pulse traveling in opposite directions within a medium
  • Constructive Interference
  • Destructive Interference
  • Neither
8

Sound is not a transverse wave, but it can still interfere because...

2

The frequency or frequencies at which an object tends to vibrate with when hit, struck, plucked, strummed or somehow disturbed.

4

A harmonic ...

2

What seperates noise from music?

10

Pictured here is the formula we used in our resonance lab with the PVC pipes:


Explain each part of the formula, and why it was needed.

4

A blue light wave approaches a mirror at 30degrees, which means that the light wave will reflect off the mirror at _____ degrees.

4

Describe light Diffraction.

8

What did the Double Slit Experiment demonstrate about electrons?

2

Where could you find all of the visible light in the EM Spectrum?

4

Where is the longest wavelength in this spectrum?

8

Explain why a sticky note would appear blueish green when hit with ROYGBIV light.