4.6.1 Waves in air, fluids and solids (will come up) P2

Question 1

What are the two types of waves

Answer 1

Transverse

Longitudinal

Question 2

What is a transverse wave

Answer 2

A wave for which the particles oscillate perpendicular to the direction of energy transfer

Question 3

What is a longitudinal wave

Answer 3

A wave in which the particles oscillate parallel to the direction of energy transfer

Question 4

2 examples of transverse waves

Answer 4

Electromagnetic waves

Seismic s-waves

Question 5

2 examples of longitudinal waves

Answer 5

Sound waves

Seismic p-waves

Question 6

What are the 2 parts of a longitudinal wave called

Answer 6

Compressions and rarefactions

Question 7

What is a waves amplitude

Answer 7

The maximum displacement of a point on a wave from its undisturbed position

Question 8

What is wavelength

Answer 8

The distance from a point on a wave to the same position of the adjacent waves
Peak to peak or trough to trough

Question 9

What is the frequency of a wave

Answer 9

The number of waves that pass a given point each second

Question 10

Unit for frequency

Answer 10

Hz

Hertz

Question 11

What is wave speed

Answer 11

The speed at which the wave moves or at which energy is transferred through a medium

Question 12

What does a wave transfer

Answer 12

Energy

Question 13

What word is used to describe when a wave bounces off a surface

Answer 13

Reflection

Question 14

How do sound waves travel through a solid

Answer 14

The particles in the solid vibrate and transfer kinetic energy through the material

Question 15

What is the frequency range of human hearing

Answer 15

20Hz-20K=kHz

Question 16

What are ultrasound waves

Answer 16

Waves which have a frequency higher than the upper limit of human hearing

Question 17

Example uses for ultrasound waves

Answer 17

Medical or industrial imaging