Q202 Pretest for Chapters 10 & 11

When we consider how frequently a pendulum swings to and fro we're talking about its A) frequency B) period C) wavelength D) amplitude

A) frequency

Resonance can be viewed as forced vibration with the A) least amount of energy input B) maximum amount of energy input C) matching of wave amplitudes D) matching of constructive and destructive interference E) minimum beat frequency

A) least amount of energy input

Which of these has the longest wavelength? A) radio waves B) microwaves C) visable light D) gamma rays

A) radio waves

What are the three primary colors for light addition? What colors appear when light is of only two primary colors are shone on a white screen?

A) red, blue, green. B) it forms an opposite color to the opposite primary color.

The object with the natural frequency of higher pitch is a A) small bell B) large bell C) either D) neither

A) small bell

Which of the following is not a transverse wave? A) sound B) light C) radio D) all of the above E) none of the above

A) sound

Both a radio wave and light wave have identical A) speeds B) wavelengths C) frequencies D) all of the above E) none of the above

A) speeds

In a longitudinal wave, the compressions and rarefactions travel in A) the same direction B) opposite directions C) neither

A) the same direction

The pitch of a musical sound depends on the sound wave's A) wavelength B) frequency C) speed D) amplitude E) all of the above

B) frequency

If you double the frequency of a vibrating object, the period A) doubles B) is half C) is one quarter

B) is half

During a single period, the distance traveled by a wave is A) one-half wavelength B) one wavelength C) two wavelengths

B) one wavelength

When we consider the time taken for a pendelum to swing to and fro we're talking about the pendelum's A) frequency B) period C) wavelength D) amplitude

B) period

The sky is blue because air molecues in the sky act as tiny A) mirrors that relect only blue light B) resonators that scatter blue light C) sources of white light D) prisms E) none of the above

B) resonators that scatter blue light

A bass fiddle is louder than a harp because of its A) thicker strings B) sound board C) lower pitch D) all of the above E) none of the above

B) sound board

The frequency of an electronmagnetic wave and the frequency of the vibrating electrons that produce it are A) nearly the same B) the same C) quite different

B) the same

The medium in which a wave travels A) moves along with the wave B) transmits the wave C) inhibits the wave D) reflects the wave

B) transmits the wave

A wave travels an average distance of 6 m in 1 s. What is the wave's velocity? A) 1 m/s B) 3 m/s C) 6 m/s D) more than 6 m/s

C) 6 m/s

A variety of sunset colors is evidence for a variety of A) elements in the Sun B) apparent atmospheric thicknesses C) atmospheric particle sizes D) atmospheric temperatures E) primary colors

C) atmospheric particle sizes

What color light is transmitted by a piece of blue glass? A) red B) white C) blue D) yellow E) orange

C) blue

A wave is a vibration in A) space B) time C) both D) neither

C) both

Electromagnetic waves can travel in A) a vaccum B) water C) both D) none of the above

C) both

The Doppler effect is characteristic of A) water waves B) sound waves C) light waves D) all of the above E) none of the above

D) all of the above

The loudness of a musical sound is a measure of the sound wave's A) wavelength B) frequency C) speed D) amplitude E) all of the above

D) amplitude

When we consider the distance a pendelum swings to and fro we're talking about the pendelum's A) frequency B) period C) wavelength D) amplitude

D) amplitude

If an electric charge is rapidly shaken up or down, A) sound is emitted B) light is emitted C) electron excitation occurs D) an electromagnetic wave is produced

D) an electromagnetic wave is produced

Red sunsets are due to light of lower frequencies that A) is scattered from larger particles in the air B) is refracted from larger particles in the air C) is reflected by clouds and relatively large particles in the air D) survive being scattered in the air E) appear reddish orange to the eye

D) survive being scattered in the air

Which of these has a higher frequency than visable light? A) radio wave B) microwave C) infared wave D) ultraviolet wave

D) ultraviolet wave

Sound waves cannot travel in A) air B) water C) steel D) a vaccum

D) vaccum

The main difference between a radio wave and a sound wave is A) frequency B) wavelength C) energy D) amplitude E) basic nature

E) basic nature

A sound wave and a light wave have identical A) speeds B) wavelengths C) frequencies D) all of the above E) none of the above

E) none of the above

Distinguish between a transverse wave and a longitudinal wave. Give some examples of each.

A transverse wave is perpendicular and a longitudinal wave is going in the same direction of the wave. A transverse wave would be a light wave and a longitudinal wave would be a sound wave.

If the frequency of a certain wave is 10 Hz, its period is A) .1 s B) 10 s C) 100 s D) none of these

A) .1 s

What moves from place to place in wave motion is A) energy B) momentum C) pressure D) matter

A) energy

Sound travels faster when the air is A) warm B) cold C) neither

A) warm

A wave having a frequency of 1000 Hz vibrates at A) less than 1000 cycles per second B) 1000 cycles per second C) more than 1000 cycles per second

B) 1000 cycles per second

A general rule for estimating the distance in kilometers between an observer and a lightning bolt is to count the number of seconds between seeing the lightning and hearing it, and dividing by A) 2 s B) 3 s C) 4 s D) 5 s E) none of the above

B) 3 s

A sound source of high frequency emits a high A) speed B) amplitude C) pitch D) all of the above

C) pitch

The source of all sounds is something that is A) accelerating B) moving C) vibrating D) undergoing simple harmonic motion

C) vibrating