Mechanical waves Part 2

What does Jorel get when he divides the speed of a wave by its frequency?

• Speed

• Period

• Frequency

• Amplitude

• Wavelength

A rope is used to produce a 24 Hz standing wave with one anti-node. What is the frequency of a 6 anti-node standing wave in the same rope?

• 216 Hz

• 72 Hz

• 144 Hz

• 180 Hz

• 108 Hz

Rebecca has a grandfather that has a clock that keeps time by a swinging mass. What can Rebecca do to fix the clock if it is running slow?

• Make the mass heavier

• Add more energy

• Make the length of the string holding the mass shorter

• Make the length of the string holding the mass longer

• Swing the mass from a lower amplitude

If Allen has a water wave that has a frequency of 4 hertz and a wavelength of 7.81 meters. How fast does it travel through the water?

• 31.24 m/s

• 1.95 m/s

• 0.51 m/s

• 3.81 m/s

• 11.81 m/s

The fundamental frequency of a short stick ________that of a long stick.

• less than

• greater than

• equal to

• vibrates less

• produces a sound lower in pitch

In which type of wave does the energy transfer along with the movement of the medium?

• electromagnetic

• polarized

• compressional

• transverse

• light

Which of the following would cause a transverse wave to go faster in a slinky?

• relaxing the slinky to make it take on more energy

• pulling the slinky tighter

• increasing the frequency of the waves

• making larger amplitude waves

• relaxing the slinky to make it looser

Some of a wave's energy is always being lost as heat. With a loss of energy, which of the following will decrease as it travels through as it passes through the medium?

• The frequency

• The period

• The wavelength

• The amplitude

• The speed

How would LaShan measure the amplitude of a longitudinal wave?

• Measure the distance between two rarefactions.

• Measure the distance between two troughs.

• Measure the width of a Hertz.

• Measure the distance in between two crests.

• Measure the width of a rarefaction.

What does Maddie get when she divides 12 completed cycles by 6 seconds?

• Amplitude

• Period

• Frequency

• Speed

• Wavelength