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### No

Two waves cress are generated at opposite ends of a long rope. Will there be an instant in which the rope's amplitude is zero everywhere?

### 2 hertz

A floating leaf oscillates up and down two complete cycles each second as a wave passes by. What is the wave's frequency.

### 3.0 m

The string above 1.5 meters long and is vibrating as the first harmonic (one loop). The string vibrates up and down with 33 complete vibrational cycles in 10 seconds. Determine the wavelength for this wave.

### greater speed

Pulling a stretched out slinky tighter will cause a pulse sent down the slinky to have

### false

Doubling the frequency of a wave source in a particular medium doubles the speed of the waves.

### parallel

In a longitudinal wave, the particles of the medium vibrate or move ________ to the direction the wave is traveling.

### None of the above (amplitude, length, frequency)

If waves are going by at the same speed, the wave with the greatest period of oscillation is the wave that has the greatest

### 2 m/s

As a train of water waves goes by, a piece of cork floating on the water bobs up and down one complete cycle each second. The waves are 2 meters long. What is the speed of the wave?

### 1/3 hertz

Two boats are anchored four meters apart. They bob up and down once every three seconds, but when one is up the other is down. There are never any wave crests between the boats. Calculate the frequency of the waves.

### 10 m/s

A floating object oscillates up and down 2 complete cycles in 1 second as a water wave of wavelength 5 meters passes by. The speed of the wave is

### not enough information to say

A wave travels an average distance of 1 meter in 1 second with a frequency of 1 hertz. Its amplitude is

### 20 m/s

A floating leaf oscillates up and down two complete cycles in one second as a water wave passes by. The wave's wavelength is 10 meters. What is the wave's speed?

### two identical waves moving different directions along the same medium interfere

A standing wave is formed when

### 2 cm

A transverse wave is found to have a vertical distance of 4 cm from a trough to a crest, a frequency of 12 Hz, and a horizontal distance of 5 cm from a crest to the nearest trough. Determine the amplitude of this wave.

### 0.5 hertz

A weight suspended from a spring bobs up and down over a distance of one meter in two seconds. Its frequency is

### 12 cm

A transverse wave is found to have a vertical distance of 8cm from a trough to a crest, a frequency of 12 Hz, and a horizontal distance of 6cm from a crest to the nearest trough. Determine the wavelength of this wave

### neither

Mr. Wegley attaches a slinky to the wall and begins introducing pulses with different amplitudes. Which of the two pulses below will reach the wall first?

### 4 cm

A transverse wave is found to have a vertical distance of 8cm from a trough to a crest, a frequency of 12Hz, and a horizontal distance of 6cm from a crest to the nearest trough. Determine the amplitude of this wave

### 0.5 hertz

A child on a playground swing makes a complete to-and-fro swing each 2 seconds. The frequency of swing is

### antinode

Suppose that there was a ride at an amusement park which was titled "The Standing Wave." Which location - node or antinode - on the ride would give the greatest thrill?

### the wavelength is halved and the speed remains constant

Dawn and Aram have stretched a slinky between them and begin experimenting with waves. As the frequency of the waves is doubled,

### 3 m/s

A skipper on a boat notices wave crests passing the anchor chain every 5 seconds. The skipper estimates the distance between crests is 15m. What is the speed of the water waves?

### lower frequency

Lupert and his lady-friend Eunice enjoy another warm day at the swimming pool. Lupert and Eunice start splashing the water. If Eunice makes less force and less frequent splashes than Lupert does, the waves she produces have a...

### smaller amplitude

Lupert and his lady-friend Eunice enjoy another warm day at the swimming pool. Lupert and Eunice start splashing the water. If Eunice makes less forceful and less frequent splashes than Lupert does, the waves she produces have a...

### longer period

Lupert and his lady-friend Eunice enjoy another warm day at the swimming pool. Lupert and Eunice start splashing the water. If Eunice makes less forceful and less frequent splashes than Lupert does, the waves she produces have a...

### none of the above-wavelength, speed, amplitude

Double the frequency of sound wave in air and you also double its

### 0.2 m

What approximate open tube length will resonate best with a sound wave having a wavelength of 0.40 m?

### lower frequency notes

All other things being the same, strings that are longer than other identical strings will produce

### 2/4

A sound wave resonates best in an open tube when the tube length is approximately ____________ of a wavelength long.

### higher frequencies because the speed of the wave in the string increases

When plucked, tighter strings produce

### higher frequency notes

All other things being the same, strings that are stretched more tightly will produce

### 1059 hertz

Suppose you sound a 1065 Hz tuning fork at the same time you strike a note on the piano and hear 2 beats/second. You tighten the piano string very slightly and now hear 3 beats/second. What is the frequency of the piano string?

### decreases

Repeatedly tap the side of a drinking glass with a spoon while filling it with water and you will notice that the pitch of the sound

### higher the pitch will be

When you blow across bottles partially filled with water, the more water in the bottle, the

### 10 degrees

A diver shines light up to the surface of a smooth pond at a 10 degree angle to the normal. Some light passes into the air above, and the part that reflects back into the water makes an angle to the normal of

### 0.5 m tall

To see his full height when standing 3m from a plane mirror, a boy that is 1m tall needs a mirror that is at least

### converging; diverging

Concave mirrors are also called __________ mirrors and convex mirrors are also called __________ mirrors

### the same amount of yourself

When you look at yourself in a pocket mirror, and then hold the mirror farther away, you see

### twice your speed

If you walk towards a mirror at a certain speed, the relative speed between you and your image is

### 4 meters

You wish to photograph the image of your little sister, who is standing 2 meters from a plane mirror. Holding the camera beside her head, you should set the distance for

### the change of direction of light as it passes obliquely from one medium into another

Refraction of light is defined as

### all portions of the wave front slow down at the same time

Light does not refract when it passes from air into water and hits head on because

### the same as its angle of incidence from the air into the glass

When light passes through an ordinary window pane, its angle of emergence from the glass back into the air is

### away from

When light passes from a medium with a high index of refraction value into a medium with a lower index of refraction value, it will bend ___________ the normal.

### the same speed

Different colors of light travel at different speeds in a transparent medium. In a vacuum, different colors of light travel at

### slower

The greater a material's index of refraction, the ____________ light travels through that material.