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The electromagnetic spectrum - eChalk

The electromagnetic spectrum Select the correct answer from the text below each question: 1. Gamma rays travel faster than visible light. true false 2. All electromagnetic waves travel at the same speed in a vacuum. true false 3. The speed of light in a vacuum is . 4. White light is a mixture of colours that can be split into the visible spectrum by a . rainbow prison migraine prism 5. Which of the following has the highest frequency? ultraviolet microwaves x-rays radiowaves 6. Which of the following has the highest frequency? visible light microwaves infrared radiowaves 7. Which of the following has the longest wavelength? gamma rays visible light ultraviolet radiowaves 8. Which of the following has the shortest wavelength? gamma rays visible light ultraviolet radiowaves 9. Which of the following has the lowest frequency? ultraviolet microwaves radiowaves x-rays 10.

13. Our eyes are able to see waves in this part of the electromagnetic spectrum ultraviolet radio visible infrared 14. Any warm object emits this wave. Night vision cameras are able to detect this type of wave. gamma rays visible light microwaves infrared 15. These rays are emitted by the sun (and other white hot objects).

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Transcription of The electromagnetic spectrum - eChalk

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