Electromagnetic Spectrum

1. What is the electromagnetic spectrum?

• A range of colors visible to the human eye
• A range of different types of radiation
• A scale measuring temperature in space
• A measurement of the strength of magnets

2. Which of the following is NOT a type of electromagnetic radiation?

• X-rays
• Gamma rays
• Radio waves
• Ultraviolet rays

3. Which type of electromagnetic radiation has the lowest energy?

• Gamma rays
• Infrared radiation
• Visible light
• Radio waves

4. Which type of electromagnetic radiation has the highest energy?

• X-rays
• Microwaves
• Ultraviolet rays
• Radio waves

5. Which of the following is an example of a device that uses radio waves?

• Microwave oven
• X-ray machine
• Television
• Ultraviolet lamp

6. What is the main difference between visible light and other types of electromagnetic radiation?

• Visible light travels faster than other types of radiation
• Visible light cannot be detected by human eyes
• Visible light is a form of heat radiation
• Visible light is the only type of radiation that can cause sunburn

7. Which color has the shortest wavelength in the visible light spectrum?

• Red
• Blue
• Green
• Yellow

8. Which of the following is true about infrared radiation?

• It can be seen by the human eye
• It has a longer wavelength than visible light
• It is harmful to living organisms
• It is commonly used in X-rays

9. How does ultraviolet radiation differ from visible light?

• Ultraviolet radiation has a shorter wavelength than visible light
• Ultraviolet radiation is not a form of electromagnetic radiation
• Ultraviolet radiation is not affected by the Earth's atmosphere
• Ultraviolet radiation is the only type of radiation that can cause sunburn

10. Which of the following is an example of a device that uses ultraviolet radiation?

• Laser printer
• Solar panel
• Fluorescent lamp
• Magnetic resonance imaging (MRI) machine