11.1.1 Introduction to Waves

Question 1

Introduction to Waves

Answer 1

• A wave is a self-propagating disturbance that transfers energy from point to point through a medium. The medium it self is not moved from place to place in a wave.
• A transverse wave is a wave that propagates in a direction perpendicular to the direction of the disturbance of the medium.A longitudinal wave is a wave that propagates in the same direction as the direction of the disturbance of the medium.
• A continuous wave is generated by a continuous and regular disturbance.

Question 2

When fans in a packed stadium do the “wave”, the type of wave generated is a:

Answer 2

transverse wave

Question 3

Which of the following is not an example of a transverse wave?

Answer 3

The sound wave created when you speak.

Question 4

What is an example of a type of wave which does not require a medium to pass through?

Answer 4

Electromagnetic wave

Question 5

Earthquakes can be categorized as:

Answer 5

• longitudinal waves

- transverse waves

Question 6

During an earthquake, waves travel through the Earth’s surface. Which of the following is correct?

Answer 6

Earthquakes consist of either longitudinal waves or transverse waves, or both.

Question 7

In a longitudinal wave, the material of the medium moves:

Answer 7

in the same direction or the opposite direction of the motion of the wave.

Question 8

As a wave moves through a medium,

Answer 8

energy is transmitted through the medium.

Question 9

When a stone is dropped in water, ______________________.

Answer 9

the water molecules move perpendicular to the direction of the wave’s motion

Question 10

The velocity of a traveling wave is not the same as the velocity of the particles in the medium.

Answer 10

true