µGCSE:EM Spectrum
10 quick questions - for GCSE and iGCSE
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10 minutes maximum! Can you do it in 5? |
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Q 1-3. The diagram shows the main sections of the electromagnetic spectrum, in order. What are the 3 missing sections?
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Q 4-8. Which of these waves .... |
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| 4. has the longest wavelength? | |||||||||
| 5. has the highest frequency? | |||||||||
| 6. is in sunlight, and can cause blindness and burn skin? | |||||||||
| 7. is the most dangerous and used to kill cancer cells? | |||||||||
8. 'Fluorescence' happens when a substance turns an invisible region of the E.M. spectrum into visible light. It is used in bank notes to detect forgeries. |
 Image:Maxim Bilovitskiy Wikicommons |
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Which region of the spectrum produces fluorescence in bank notes? |
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9. Which one of the following does not use infra-red radiation?
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| 10. The statements on the right list some possble properties of electromagnetic waves. Which statements are true? | I. All can pass through a vacuum. II. All travel at the speed of light. III. All are transverse waves. |
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