eindtoets geluid VWO

• Natuurkunde
• Middelbare school
• vwo
• Leerjaar 2

Test Sound

2 Havo/VWO

Materiaal dat geluid terugkaatst is .....

Material which causes echos is

1. Hard and smooth
2. Hard en rough
3. Soft and smooth
4. Soft and rough

Een snaar maakt 480000 trillingen per minuut, kan een mens dit geluid horen?

A string vibrates 480000 times per minute, is this audible to a human being?

1. Yes
2. No
3. Sometimes

Een vleermuis produceert tonen die hoger zijn dan een mens kan horen.

Hoe noemen we deze tonen?

A bat produces sounds which are to high for a human to hear, what is the name for this type of sound?

1. Infrared sound
2. Infrasonic sound
3. Ultrasonic sound
4. Ultrahigh sound

Een olifant produceert tonen die lager zijn dan een mens kan horen.

Hoe noemen we deze tonen?

An elephant produces tones which are too low for a human to hear, what is the name for this type of sound?

1. Infrared sound
2. Infrasonic sound
3. Ultrasonic sound
4. Ultralow sound

In which picture is there the largest vibration period?

1. Picture A
2. Picture B
3. Picture C
4. Picture D

In which picture is the highest frequency?

1. Picture A
2. Picture B
3. Picture C
4. Picture D

Which of these sounds is the strongest in volume?

1. Picture A
2. Picture B
3. Picture C
4. Picture D

How many vibrations are there in this screen

1. 1 vibration
2. 2,5 vibrations
3. 5 vibrations
4. 10 vibrations

Een snaar maakt 480000 trillingen per minuut, kan een mens dit geluid horen?

When the vibration period becomes shorter, the tone becomes

1. Higher
2. Lower
3. The tone doesn't change
4. Louder

Which does not influence the tone of a guitar string?

1. The thickness of the string
2. How hard you strike the string
3. The length of the string
4. The tension of the string

You see 2 trombones in the picture.

Trombone A has a lower tone then trombone B. 

1. True
2. False

The scale of this picture is: 

0,005 ms/div

What is the frequency of this displayed tone?

1. 20 Hz
2. 50 Hz
3. 0,000020 Hz
4. 50000 Hz

Which tones can you hear better at low sound level?

1. Low pitched tones
2. Middle pitched tones
3. High pitched tones

Putting whispering tires on a car is a way to stop sound nuicance, where is it stopped? 

1. at the source
2. between source and receiver
3. at the receiver

Wearing hearing protection  is a way to stop sound nuicance, where is it stopped? 

1. at the source
2. between the source and the receiver
3. at the receiver

Double pane windows are a way to stop sound nuicance, where is it stopped? 

1. at the source
2. between the source and the receiver
3. at the receiver

use the graph to determine what 15 minutes of listening to a sound level of 97 dB causes

1. Does not give hearing damages
2. Has a high chance of hearing damage
3. Will deafen you
4. Has a really high chance of hearing damage

A fighterjet has a speed of mach 1,5. What is the speed of the jet in m/s?

1. 0,5145 m/s
2. 1944 m/s
3. 514,5 m/s
4. 1,944 m/s

A bumblebee creates a buzzing sound with its wings. The frequency of this sound is 200 Hz. Calculate the time of one vibration in milliseconds.

1. 0,005 ms
2. 0,05 ms
3. 0,5 ms
4. 5 ms

The tines of a tuning fork move 660 times in 10 seconds, what is its frequency?

1. 66 Hz
2. 660 Hz
3. 6600 Hz
4. 66 kHz

The speed of sound for water is 1480m/s, the echo is received in 0,42 seconds, how deep is the sea?

1. 72 m
2. 144 m
3. 311 m
4. 622 m

Someone holds a decibelmeter near a speaker at a concert and measures 93.9 dB. 20 meters away someone else is also measuring the volume, what will their decibelmeter indicate?

1. The same level of dB
2. A higher level of dB
3. A lower level of dB

3 people are talking at a level of 45 dB, how many decibels will a group of 15 people create?

1. 225 dB
2. 52 dB
3. 51 dB
4. 55 dB