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P4.3 Microphones and ultrasound starter

Sidst opdateret about 1 month ago

8 Spørgsmål

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Spørgsmål 1

1.

What is the speed of sound in air?

330 m/s

1500 m/s

5000 m/s

Spørgsmål 2

2.

Which of the following can sound travel through?

solid

gas

liquid

all of the above

Spørgsmål 3

3.

What property of the wave is represented by the letter "B"?

amplitude

trough

crest

wavelength

Spørgsmål 4

4.

What property of the wave is represented by the letter "A"?

amplitude

trough

crest

wavelength

Spørgsmål 5

5.

All waves transfer

Spørgsmål 6

6.

Light can travel through the of space

Spørgsmål 7

7.

Waves move back and forth - we call this

Spørgsmål 8

8.

Which of these colour has the longest wavelength?

Red

Orange

Yellow

Green

Blue

Purple