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Two polarising filters are held in parallel planes. Rotating one of the filters relative to the other: Select one: a. can be used to reduce the amplitude of ultrasound and electromagnetic waves passing through the filters b. changes the intensity of electromagnetic waves passing through both filters, but ultrasound cannot be polarised C. increases the amount of reflected ultrasound waves at each filter, but electromagnetic waves are absorbed by the filters d. can be used to selectively filter longitudinal and unpolarised transverse waves

Two polarising filters are held in parallel planes. Rotating one of the filters relative to the other: Select one: a. can be used to reduce the amplitude of ultrasound and electromagnetic waves passing through the filters b. changes the intensity of electromagnetic waves passing through both filters, but ultrasound cannot be polarised C. increases the amount of reflected ultrasound waves at each filter, but electromagnetic waves are absorbed by the filters d. can be used to selectively filter longitudinal and unpolarised transverse waves

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Two polarising filters are held in parallel planes. Rotating one of the filters relative to the other: Select one: can be used to reduce the amplitude of ultrasound and electromagnetic waves passing through the filters a. b. changes the intensity of electromagnetic waves passing through both filters, but ultrasound cannot be polarised C. increases the amount of reflected ultrasound waves at each filter, but electromagnetic waves are absorbed by the filters d. can be used to selectively filter longitudinal and unpolarised transverse waves
Transcribed Image Text:Two polarising filters are held in parallel planes. Rotating one of the filters relative to the other: Select one: can be used to reduce the amplitude of ultrasound and electromagnetic waves passing through the filters a. b. changes the intensity of electromagnetic waves passing through both filters, but ultrasound cannot be polarised C. increases the amount of reflected ultrasound waves at each filter, but electromagnetic waves are absorbed by the filters d. can be used to selectively filter longitudinal and unpolarised transverse waves
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Transcribed Image Text:Swifau teusion of the moisture ou the alveali" Causes hysteniris iu the luy pressura. behveen expiration anod impiration ( breathing is) ispiration Opiration Fimpiraion Negative fresure ouside Q. The Area encleseel behucen the tuo Curves on the grapr ropuseuth : Seleet oue a) Damage to the caused by lugs overexertion ) Enogy lon in one brantaing Gyebe o Plastic deformation f lunpr tisues ay Berittle aging of the alvea Volume
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