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Physical Science 1.23: 6.3 Applications of Waves

Physical Science 1.23: 6.3 Applications of Waves

Assessment

Presentation

Physics

9th - 12th Grade

Practice Problem

Medium

NGSS
HS-PS4-5, HS-PS4-2, HS-PS4-1

Standards-aligned

Created by

Amie Ojerio

Used 18+ times

FREE Resource

14 Slides • 8 Questions

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Multiple Choice

What is the function of an antenna in a radio?

1

Receives radio waves and converts them to electrical energy

2

Selects a specific frequency the user wants to hear

3

Converts the electrical energy into sound waves

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Multiple Choice

When you use Wi-Fi to watch a video on your computer, which of the following is the first step for the video to get to you?

1

Your computer converts information into electrical signals that it uses to play the video.

2

The information is received by a Wi-Fi antenna in your computer.

3

The information in the video is encoded in infrared waves that are sent through a fiber-optic cable.

4

The information reaches your router and is converted to EM waves of a different frequency.

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Multiple Choice

Which type of scanner collects information by reflected red light waves?

1

Barcode scanner

2

Baggage security

3

Computer scanner

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Multiple Choice

Question image

Which model shows why the Doppler effect causes the pitch of a sound to seem lower to an observer?

1

A

2

B

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Multiple Select

Which of the following statements describes an analog wave? (Check all that apply)

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The signal moves instantly between a limited number of values.

2

The signal moves gradually among an infinite number of values.

3

People hear sound waves coming from an orchestra.

4

Data are stored on computers.

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Multiple Choice

What would be the first step when a digital photo is taken and stored?

1

Visible light waves enter the camera and strike the detector.

2

Each pixel records the color and brightness of the light it receives as an electrical signal.

3

The code is stored by transistors as 1s and 0s based on whether each transistor has been set to "on" or "off".

4

The electrical signals are converted to a binary code of 1s and 0s.

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Multiple Select

Which of the following statements would be an advantage of storing data digitally? (Check all that apply)

1

The quality of copies does not decrease as more copies are made.

2

It is easy to copy a computer virus to a device.

3

Other people can access data that you don't want them to see.

4

The parts of devices that store data are stable.

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Multiple Choice

In digital data, 1s and 0s are represented by __________ amplitudes or frequencies.

1

Continuously varying

2

High or low

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