Ch. 12

Question 0

The spreading apart of particles

Answer 0

Rarefaction

Question 1

When dealing with a pendulum, what is it called when the pendulum is hanging straight down?

Answer 1

Rest position

Question 2

What is the matter through which waves travel from place to place

Answer 2

Medium

Question 3

The motion that repeats at a constant rate is

Answer 3

Periodic motion

Question 4

What is the natural folding or flowing or waves around the corner

Answer 4

Diffraction

Question 5

Both field and contact forces can do work.

Answer 5

True

Question 6

Periodic motion is rare in nature.

Answer 6

False

Question 7

All periodic motion can happen in a vacuum.

Answer 7

False

Question 8

All periodic motion can be expressed in terms of circular motion.

Answer 8

True

Question 9

No damping occurs in an ideal periodic motion.

Answer 9

True

Question 10

Damping affects mainly the amplitude of a periodic system.

Answer 10

True

Question 11

All restoring forces are field forces.

Answer 11

False

Question 12

Transverse waves and longitudinal waves’ crest and troughs are identical.

Answer 12

False

Question 13

The mass of a pendulum’s weight affects its period.

Answer 13

False

Question 14

The pendulums period is affected by the length of the arm.

Answer 14

True

Question 15

In mechanical waves, matter more over great distances with the wave.

Answer 15

False

Question 16

For any wave, the distance between two crests is the same as the distance between the two troughs.

Answer 16

True

Question 17

Water particles in a wave of water may move in circular patterns.

Answer 17

True

Question 18

Sund waves are good examples of transverse waves.

Answer 18

False

Question 19

Nearly all waves can experience reflection and refraction.

Answer 19

True

Question 20

Only two waves can interfere at one time.

Answer 20

False

Question 21

Only transverse waves experience interference.

Answer 21

False

Question 22

A standing wave does not move.

Answer 22

False

Question 23

Beats have lower frequency than the interfering waves that form them.

Answer 23

True

Question 24

Sound waves, like light waves, can have "shadows."

Answer 24

True

Question 25

The amplitude of a sound wave determines its pitch.

Answer 25

False

Question 26

Only sound waves exhibit the Doppler effect.

Answer 26

False

Question 27

Which of the following is not an example of periodic motion?

Answer 27

A car traveling down a straight road

Question 28

Increasing the mass of vibrating object will

Answer 28

Increase its period

Question 29

What force does not act on a pendulum?

Answer 29

Mass

Question 30

To shorten the period of a pendulum

Answer 30

Decrease the length of the arm

Question 31

All waves transmit

Answer 31

Energy

Question 32

Which is the best description for vibrational waves that travel down a string?

Answer 32

Transverse

Question 33

Which is the best description for earthquake waves?

Answer 33

Both longitudinal and transverse

Question 34

A wave travels down a stretch string to the end where it is fixed to a will. What happens to the wave?

Answer 34

It is reflected

Question 35

After two waves collide, they

Answer 35

Move on independently

Question 36

While in the front yard, you can hear your dog barking in the backyard. This situation illustrates that Lund waves can

Answer 36

Diffract

Question 37

A jet fighter approaches, pass low overhead, and flies away. How does the pitch of the engine when it is overhead compare to when it was approaching

Answer 37

Lower

Question 38

The fastest waves in the universe are ______________ waves.

Answer 38

Electromagnetic

Question 39

Repetitive motion can be classified as either __________ or __________.

Answer 39

Oscillations | Vibrations

Question 40

In periodic motion the opposite of damping is _________.

Answer 40

Resonance

Question 41

A single wave cycle or very short burst of waves is called a

Answer 41

Pulse

Question 42

What is the period of the earth's rotation on its axis?

Answer 42

24 hours

Question 43

What is the SI unit for frequency?

Answer 43

Hertz (Hz)

Question 44

What is the symbol that represents wavelength

Answer 44

Lambda

Question 45

F= 1/T

Answer 45

Frequency

Question 46

T= 2pi sqr route or I/g

Answer 46

Period

Question 47

v= 2lmbda f

Answer 47

Wave speed