Waves

Question 1

What is characteristic of both sound and electromagnetic waves

Answer 1

They transfer energy

Question 2

Transverse waves are to radio waves as longitudinal waves are to

Answer 2

Sound waves

Question 3

The diagram below represent two waves, A and B, traveling thru the same uniform medium. Which characteristic is the same for both waves?

Answer 3

Amplitude

Question 4

A distance of 1.0x10^-2 meter separates successive crests of a periodic wave produced in a shallow tank of water. If a crest passes a point in the tank every 4.0x10^-1 second, what is the speed of this wave?

Answer 4

2.5x10^-2

Question 5

As a monochromatic light ray passes from air into water, two characteristics of the ray that will not change are

Answer 5

Frequency and period

Question 6

The wavelength of a wave doubles as it travels from medium A into medium B. Compared to the wave in Medium A, the wave in medium B has

Answer 6

Twice the speed

Question 7

What is the period of a sound wave having a frequency of 340 hertz?

Answer 7

2.94x10^-3 s

Question 8

A physics student takes her pulse and determines that her heart beats periodically 60 times in 60 seconds. The period of her heartbeat is

Answer 8

1s

Question 9

The diagram below represents a periodic wave. Which two points on the wave are out of phase?

Answer 9

D and G

Question 10

The diagram below represents a periodic wave. Which two points on the wave are 180.D out of phase?

Answer 10

A and C

Question 11

Sound waves are produced by the horn of a truck that is approaching a stationary observer, compared to the sound waves detected by the driver of the truck, the sound waves detected by the observer have a greater

Answer 11

Frequency

Question 12

As a car approaches a pedestrian crossing the road, the driver blows the horn. Compared to the sound wave emitted by the horn, the sound wave detected by the pedestrian has a

Answer 12

a higher frequency and higher pitch

Question 13

In the diagram below, a stationary source located at point S produces sound having a constant frequency of 512 hertz. Observe A, 50.meters to the left of S, hears a frequency of 512 hertz. Observer B, 100 meters to the right of S, bears a frequency of 512 hertz. Which statement best describes the motion of the observer?

Answer 13

Observer A is stationary, and observer B is moving away from point S

Question 14

The diagram below represents

Answer 14

S