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PHYSICAL SCIENCE

CHAPTER 14 REVIEW

Question 1

1. Which of the following is a function of a wave?

a) Waves transmit matter.

b) Waves transmit energy.

c) Waves transmit matter & energy.

d) Waves are stationary.

Question 1

1. Which of the following is a function of a wave?

a) Waves transmit matter.

b) Waves transmit energy.

c) Waves transmit matter & energy.

d) Waves are stationary.

Question 2

2. Which of the following is NOT a mechanical wave?

a) Ocean wave

b) Radio Wave

c) Sound Wave

d) Seismic Wave

Question 2

2. Which of the following is NOT a mechanical wave?

a) Ocean wave

b) Radio Wave

c) Sound Wave

d) Seismic Wave

Question 3

Which wave property indicates the amount of energy or the intensity of a wave?

a) Amplitude

b) Frequency

c) Speed

d) Wavelength

Question 3

Which wave property indicates the amount of energy or the intensity of a wave?

a) Amplitude

b) Frequency

c) Speed

d) Wavelength

Question 1

What is the term for the lowest point in a transverse wave ?

a) crest

b) frequency

c) trough

d) wavelength

Question 1

What is the term for the lowest point in a transverse wave ?

a) crest

b) frequency

c) trough

d) wavelength

Question 2

In what type of wave do the particles vibrate perpendicular to the direction of wave travel?

a) compression

b) longitudinal

c) sound wave

d) transverse

Question 2

In what type of wave do the particles vibrate perpendicular to the direction of wave travel?

a) compression

b) longitudinal

c) sound wave

d) transverse

Question 3

Which type of wave has the longest wavelength?

a) gamma

b) infrared light

c) microwaves

d) X-rays

Question 3

Which type of wave has the longest wavelength?

a) gamma

b) infrared light

c) microwaves

d) X-rays

Question 3

Which type of wave has the longest wavelength?

a) gamma

b) infrared light

c) microwaves

d) X-rays

Question 1

What is the term for the time that it takes a wave to complete one cycle or pass a given point??

a) amplitude

b) frequency

c) period

d) wavelength

Question 1

What is the term for the time that it takes a wave to complete one cycle or pass a given point??

a) amplitude

b) frequency

c) period

d) wavelength

Question 2

A student measures the time between the arrivals of 2 crests on the lake as 5 seconds. What is the period of the wave?

a) 0.2 Hz

b) 0.2 s

c) 2.5 s

d) 5.0 s

Question 2

A student measures the time between the arrivals of 2 crests on the lake as 5 seconds. What is the period of the wave?

a) 0.2 Hz

b) 0.2 s

c) 2.5 s

d) 5.0 s

5 s 2 waves = 2.5 s per wave

Question 3

What is the period of a wave that has a frequency of 100 Hz?

a) 0.01 Hz

b) 0.01 s

c) 100 Hz

d) 100 s

Question 3

What is the period of a wave that has a frequency of 100 Hz?

a) 0.01 Hz

b) 0.01 s

c) 100 Hz

d) 100 s

T = 1/f = 1/ 100 Hz= 0.01

Question 1

What characteristic does frequency define?

a) Number of waves per second.

b) Speed of the Wave

c) How far apart the wave crests are.

d) The deviation of the wave from the rest position.

Question 1

What characteristic does frequency define?

a) Number of waves per second.

b) Speed of the Wave

c) How far apart the wave crests are.

d) The deviation of the wave from the rest position.

Question 2

What units are used to measure frequency?

a) Joules (J).

b) Hertz (Hz or 1/s)

c) Meters (m)

d) Seconds (s)

Question 2

What units are used to measure frequency?

a) Joules (J).

b) Hertz (Hz or 1/s)

c) Meters (m)

d) Seconds (s)

Question 3

At the football game the crowd is doing the “Wave”. The period is the time it takes a person to stand and sit and averages 0.5 s. Calculate the frequency of the wave.

a) 0.5 Hz

b) 1.0 Hz

c) 2.0 Hz

d) 5 Hz

Question 3

At the football game the crowd is doing the “Wave”. The period is the time it takes a person to stand and sit and averages 0.5 s. Calculate the frequency of the wave.

a) 0.5 Hz

b) 1.0 Hz

c) 2.0 Hz

d) 5 Hz

f = 1/T = 1/ 0.5 s= 2.0 Hz

Question 1

What is the following equation used to calculate? .

a) intensity

b) period

c) vibration

d) wave speed

Question 1

What is the following equation used to calculate? .

a) intensity

b) period

c) vibration

d) wave speed

Question 2

What does (“lambda”) stand for in the following equation? .

a) amplitude

b) period

c) wavelength

d) wave speed

Question 2

What does (“lambda”) stand for in the following equation? .

a) amplitude

b) period

c) wavelength

d) wave speed

Question 3

What is the wavelength of a wave traveling at 2,000 m/s having a frequency of 500 Hz?

a) 0.25 m

b) 4 m

c) 500 m

d) 1 000 000 m

Question 3

What is the wavelength of a wave traveling at 2,000 m/s having a frequency of 500 Hz?

a) 0.25 m

b) 4 m

c) 500 m

d) 1 000 000 m

Question 1

What is the correct speed of light in a vacuum?

a) 340 m/s

b) 10 x 38 m/s

c) 8 x 103 m/s

d) 3 x 108 m/s

Question 2

Which electromagnetic wave travels the fastest?

a) Radio waves

b) Gamma rays

c) Visible Light

d) None of the above

All electromagnetic waves travel at

3 x 108 m/s.

Question 3

What is the velocity of a wave frequency of 200 Hz and a wavelength of 0.5 m?

a) 2 m/s

b) 100 m/s

c) 400 m/s

d) 0.0025 m/s

Question 3

What is the velocity of a wave frequency of 200 Hz and a wavelength of 0.5 m?

a) 2 m/s

b) 100 m/s

c) 400 m/s

d) 0.0025 m/s

Question 1

What term describes the phenomenon of waves changing frequency relative to the motion of the observer?

a) dampening

b) Doppler effect

c) Doppler Radar waves

d) Dalton effect

Question 2

Due to Doppler Effect, what is happening to the frequency of a wave when the pitch gets lower?

a) increasing

b) decreasing

c) stays the same

d) Frequency plays no role in Doppler Effect.

Question 3

An astronomer comes to the conclusion that a star is moving away from the earth due to the shift in wavelengths of red light. What type of shift did she observe?

a) The wavelengths are shorter.

b) The wavelengths are longer.

c) Red light has shifted to violet.

d) Red light was extinguished.

Question 1

Bats send out ultrasonic waves to detect prey and interpret the signals that bounce back, a process called echo location. What type of wave interaction does this demonstrate?

a) Diffraction

b) Interference

c) Refraction

d) Reflection

Question 2

As the waves on the left hit the barrier and pass through the slit they are bent. What type of wave interaction does this demonstrate?

a) diffraction

b) refraction

c) interference

d) rarefaction

Question 3

a) Black lines on the left

b) White lines on the left

c) Black bands on the right

d) White bands on the right

Which area on the picture represents destructive interference?

Question 3

a) Black lines on the left

b) White lines on the left

c) Black bands on the right

d) White bands on the right

Which area on the picture represents destructive interference?

Question 1

Which type of wave consists of a transverse oscillation of an electric field perpendicular to a magnetic field?

a) Compression wave

b) Electromagnetic wave

c) Longitudinal wave

d) Mechanical wave

Question 2

Which of the following is NOT an electromagnetic wave?

a) Gamma rays

b) Radio waves

c) Sound Waves

d) Ultra Violet rays

Question 3

Which of the following is NOT required for an electromagnetic wave to propagate?

a) energy

b) matter

c) transverse wave

d) None of the above

Question 1

In what part of a longitudinal wave are the particles farthest apart?

a) compression

b) reflection

c) refraction

d) rarefaction

Question 2

What sound waves pass from air to water they change speed, resulting in a bending of the wave. What is this called?

a) diffraction

b) reflection

c) refraction

d) interference

Question 3

In an orchestra, two violins are playing the same note side by side to produce a tone that is twice as loud as only one violin. What type of interference is modeled here?

a) antinodes

b) additive

c) constructive

d) destructive

Question 1

Which type of wave has a pattern of vibration that results in a wave that appears to be standing still?

a) Simple harmonic

b) Standing wave

c) Transverse wave

d) Ultra violet ray

Question 2

Which point in the standing wave have no vibration?

a) antinodes

b) crest

c) node

d) trough