Buster Tests - GCSE Revision Tests

AS Physics - Information and Communication

Base Bandwidths

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1. Does base bandwidth affect sound quality?

[1]

Yes No

Yes!

2. a) What is the lower limit of the base bandwidth needed to transmit high quality music?

[2]

15 Hz

b) What about the upper limit?

[2]

15 kHz

c) Which of the following methods is most likely to employ that kind of base bandwidth?

[1]

AM FM Telephone Satellite transmissions

FM, generally.

3. a) If I wanted to send an adequate quality speech signal down a telephone line, I'd need to make the lower limit of my base bandwidth...

[2]

300 Hz

b) And the upper limit...

[2]

3 kHz

4. Do you need more or less bandwidth to transmit video?

[1]

More Less

More!

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Subjects

• GCSE Phsyics
• AS Physics
• A2 Phsyics
• GCSE Chemistry
• Driving Theory

Tests on the same topic

• Audio Information
• Base Bandwidths
• Sampling

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