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I need help answering these questions for my Physics assignment -
Identify the waves and transfers of energy that occur when using a mobile phone. (Worth 5 marks)
Identify methods of detecting: Radio Waves, Radar, X-Rays. (worth 3 marks)
List the following communications systems in order of increasing carrier wave frequency: Short wave radio, microwave phone links, FM Radio, AM radio, TV. (worth 2 marks)
Discuss the difference between analogue and digital transmission. (worth 2 marks).
Discuss the underlying physical principals used in CD Technology (worth 4 marks).
Thanks in advance. [img]smile.gif[/img]
Crossed off what we`ve now done. [img]smile.gif[/img]
[ 03-16-2003, 01:21 AM: Message edited by: LennonCook ]
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