Question 1

An object completes

60

oscillations in

15

seconds. What is the frequency of the vibration?

Accepted Answer

Answer

Answer

Answer

Question 2

If the distance between two consecutive crests of a water wave is

60

and the wave travels at a speed of

15

, what is the period of the wave?

Accepted Answer

<math>0.5	ext{ seconds}</math>

Answer

<math>2.0	ext{ seconds}</math>

Answer

<math>50	ext{ seconds}</math>

Answer

<math>0.2	ext{ seconds}</math>

Question 3

Which of the following properties of a sound wave determines its pitch?

Accepted Answer

Frequency

Answer

Amplitude

Answer

Wavelength

Answer

Velocity

Question 4

A longitudinal wave, such as sound, consists of a series of

60

Accepted Answer

Compressions and rarefactions

Answer

Crests and troughs

Answer

Nodes and antinodes

Answer

Reflections and refractions

Question 5

An anchor is dropped into a calm lake, creating waves that travel at a speed of

60

. If the distance between a crest and the adjacent trough is

15

, what is the frequency of the wave?

Accepted Answer

Answer

Answer

Answer

Question 6

An object vibrates with a frequency of

60

. How much time does it take for the object to complete

15

oscillations?

Accepted Answer

<math>2	ext{ seconds}</math>

Answer

<math>0.5	ext{ seconds}</math>

Answer

<math>150	ext{ seconds}</math>

Answer

<math>5,000	ext{ seconds}</math>

Question 7

A sound wave travels through the air at a speed of

60

. If the frequency of the sound is

15

, what is the wavelength of the sound wave?

Accepted Answer

<math>2	ext{ meters}</math>

Answer

<math>57,800	ext{ meters}</math>

Answer

<math>0.5	ext{ meters}</math>

Answer

<math>510	ext{ meters}</math>

Question 8

An ultrasound wave has a frequency of

60

and a wavelength of

15

. What is the speed of this wave in air?

Accepted Answer

Answer

Answer

Answer

Question 9

The time required for an object to perform one complete vibration is called the

60

Accepted Answer

Period

Answer

Wavelength

Answer

Amplitude

Answer

Frequency

Question 10

If a pendulum swings back and forth

60

times in

15

seconds, what is its period (

T

)?

Accepted Answer

<math>2	ext{ seconds}</math>

Answer

<math>20	ext{ seconds}</math>

Answer

<math>0.5	ext{ seconds}</math>

Answer

<math>800	ext{ seconds}</math>

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