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30 multiple choice questions about electromagnetic waves with 4 alternatives and 1 correct answer?

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1. Which of the following is not a property of electromagnetic waves?
A. They can travel through a vacuum
B. They have electric and magnetic components
C. They travel at the speed of sound
D. They can be reflected, refracted, and diffracted

2. Which of the following electromagnetic waves has the longest wavelength?
A. Gamma rays
B. X-rays
C. Ultraviolet rays
D. Radio waves

3. Which of the following electromagnetic waves has the highest frequency?
A. Infrared rays
B. Microwaves
C. Ultraviolet rays
D. Gamma rays

4. Which of the following electromagnetic waves is used in communication systems?
A. X-rays
B. Ultraviolet rays
C. Radio waves
D. Gamma rays

5. Which of the following electromagnetic waves has the shortest wavelength?
A. Radio waves
B. Microwaves
C. X-rays
D. Infrared rays

6. Which of the following electromagnetic waves is used in medical imaging?
A. Radio waves
B. Ultraviolet rays
C. X-rays
D. Infrared rays

7. Which of the following electromagnetic waves is used in cooking?
A. Ultraviolet rays
B. Infrared rays
C. Microwaves
D. Radio waves

8. Which of the following electromagnetic waves is used in remote sensing?
A. Gamma rays
B. X-rays
C. Infrared rays
D. Radio waves

9. Which of the following electromagnetic waves is used in sterilization?
A. Ultraviolet rays
B. Infrared rays
C. Microwaves
D. Radio waves

10. Which of the following electromagnetic waves is used in astronomy?
A. Gamma rays
B. X-rays
C. Ultraviolet rays
D. Radio waves

11. Which of the following electromagnetic waves has the lowest energy?
A. Gamma rays
B. X-rays
C. Ultraviolet rays
D. Radio waves

12. Which of the following electromagnetic waves is used in security systems?
A. Infrared rays
B. Ultraviolet rays
C. Microwaves
D. Radio waves

13. Which of the following electromagnetic waves is used in weather forecasting?
A. Gamma rays
B. X-rays
C. Infrared rays
D. Radio waves

14. Which of the following electromagnetic waves is used in wireless communication?
A. Gamma rays
B. X-rays
C. Infrared rays
D. Radio waves

15. Which of the following electromagnetic waves is used in cancer treatment?
A. Ultraviolet rays
B. Infrared rays
C. X-rays
D. Gamma rays

16. Which of the following electromagnetic waves is used in photography?
A. Ultraviolet rays
B. Infrared rays
C. X-rays
D. Radio waves

17. Which of the following electromagnetic waves is used in satellite communication?
A. Gamma rays
B. X-rays
C. Infrared rays
D. Radio waves

18. Which of the following electromagnetic waves is used in heat therapy?
A. Ultraviolet rays
B. Infrared rays
C. Microwaves
D. Radio waves

19. Which of the following electromagnetic waves is used in barcode scanners?
A. Ultraviolet rays
B. Infrared rays
C. Microwaves
D. Radio waves

20. Which of the following electromagnetic waves is used in television broadcasting?
A. Gamma rays
B. X-rays
C. Infrared rays
D. Radio waves

21. Which of the following electromagnetic waves is used in radar systems?
A. Gamma rays
B. X-rays
C. Infrared rays
D. Radio waves

22. Which of the following electromagnetic waves is used in wireless charging?
A. Ultraviolet rays
B. Infrared rays
C. Microwaves
D. Radio waves

23. Which of the following electromagnetic waves is used in remote control devices?
A. Gamma rays
B. X-rays
C. Infrared rays
D. Radio waves

24. Which of the following electromagnetic waves is used in satellite television?
A. Gamma rays
B. X-rays
C. Infrared rays
D. Radio waves

25. Which of the following electromagnetic waves is used in medical diagnostics?
A. Ultraviolet rays
B. Infrared rays
C. X-rays
D. Gamma rays

26. Which of the following electromagnetic waves is used in fiber optic communication?
A. Ultraviolet rays
B. Infrared rays
C. Microwaves
D. Radio waves

27. Which of the following electromagnetic waves is used in security scanners?
A. Ultraviolet rays
B. Infrared rays
C. Microwaves
D. X-rays

28. Which of the following electromagnetic waves is used in wireless internet?
A. Gamma rays
B. X-rays
C. Infrared rays
D. Radio waves

29. Which of
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