MEDIUM
Upper Secondary-IGCSE
IMPORTANT
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A learner suggests that X-rays could be used for Bluetooth communication. State what properties of X-rays make this a bad idea.

Important Questions on The Electromagnetic Spectrum

MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 15 - The Electromagnetic Spectrum>Exercise 15.1>Q 1
The electromagnetic spectrum is the spectrum of all types of electromagnetic radiation arranged according to their frequencies. State which type of electromagnetic radiation has the highest frequency. (Gamma rays/ X-rays)
EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 15 - The Electromagnetic Spectrum>Exercise 15.1>Q 1
The electromagnetic spectrum is the spectrum of all types of electromagnetic radiation arranged according to their frequencies. State which type of electromagnetic radiation has the longest wavelength.
EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 15 - The Electromagnetic Spectrum>Exercise 15.1>Q 1
The electromagnetic spectrum is the spectrum of all types of electromagnetic radiation arranged according to their frequencies. State which type of electromagnetic radiation has the most damaging effects on the human body.
EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 15 - The Electromagnetic Spectrum>Exercise 15.2>Q 1
State what kind of wave is used for Bluetooth communication.
EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 15 - The Electromagnetic Spectrum>Exercise 15.2>Q 1
State what kind of wave is used for wireless internet.
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 15 - The Electromagnetic Spectrum>Exercise 15.2>Q 2
A learner suggests that X-rays could be used for Bluetooth communication. State what properties of X-rays make this a bad idea.
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 15 - The Electromagnetic Spectrum>Exercise 15.2>Q 3
Describe the properties required by a wave used for wireless internet.
HARD
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 15 - The Electromagnetic Spectrum>Exercise 15.2>Q 4
Compare analogue and digital signal transmission by considering the difference between analogue and digital signals and the benefits of digital when compared to analogue. Draw a diagram of an analogue wave and a digital wave.