Waves

Waves

Assessment

Flashcard

Physics

7th - 9th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a wave?

Back

A wave is a disturbance that transfers energy from one place to another without transferring matter.

2.

FLASHCARD QUESTION

Front

What is frequency?

Back

Frequency is the number of waves that pass a point in one second, measured in Hertz (Hz).

3.

FLASHCARD QUESTION

Front

What is wavelength?

Back

Wavelength is the distance between two consecutive points of a wave that are in phase, such as crest to crest or trough to trough.

4.

FLASHCARD QUESTION

Front

What is the formula to calculate the speed of a wave?

Back

The speed of a wave (v) can be calculated using the formula: v = frequency (f) × wavelength (λ).

5.

FLASHCARD QUESTION

Front

If a wave has a frequency of 5 Hz and a speed of 25 m/s, what is the wavelength?

Back

5 m

6.

FLASHCARD QUESTION

Front

If the speed of a wave is 74 m/s and the wavelength is 12 m, what is the frequency?

Back

6.2 Hz

7.

FLASHCARD QUESTION

Front

Which letter represents wavelength in a wave diagram?

Back

A (assuming A is marked as the wavelength in the diagram).

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