TTO 1 Chapter 5.3 Sound: Loudness and Decibel
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Lesduur is: 45 minOnderdelen in deze les
Slide 1 - Tekstslide
Slide 2 - Tekstslide
Slide 3 - Tekstslide
Slide 4 - Tekstslide
Using the sound meter app measure 5 different sounds. Write them down and there loudness in decibel
Slide 5 - Open vraag
Slide 6 - Tekstslide
Slide 7 - Tekstslide
Slide 8 - Tekstslide
Slide 9 - Tekstslide
Slide 10 - Tekstslide
In a football stadium the loudness is measured at the centre of the pitch. If 1000 people cheer the loudness is 80 dB. What will the loudness be if 2000 people cheer?
Slide 11 - Open vraag
In a football stadium the loudness is measured at the centre of the pitch. If 1000 people cheer the loudness is 80 dB. What will the loudness be if 100.000 people cheer?
Slide 12 - Open vraag
Slide 13 - Tekstslide
If the loudness is 20 dB and the frequency is 50 Hz can you hear the sound?
A
Yes
B
No
Slide 14 - Quizvraag
If the loudness is 100 dB and the frequency is 1 kHz (1000 Hz) can you hear the sound?
A
YES
B
NO
Slide 15 - Quizvraag
Slide 16 - Tekstslide
How do we measure sound intensity or loudness
Slide 17 - Open vraag
Describe some of the risks of loud sounds and how to reduce the risks
