14. You accidentally tripped and felt like you broke your arm, what electromagnetic waves will be
used to check whether it is really broken or not?
A gamma rays
B. UV radiation
D. X-ray
C. Visible light
15. Which electromagnetic wave is commonly used in advertising signs and decoration?
A Gamma rays
B. Infrared radiation
D. Visible
C. Ultraviolet
rays
16. In which of the following materials/situations is visible light used?
A sound
C. light bulbs, TVs, Lasers
B. When we breathe
D. Nothing, visible light cannot be used.
17. Which of the following disease can be detected by X-Ray?
A Bladder infection B. Diarrhea
C. Fever
D. Pneumonia
18. Which is incorrectly paired?
A Microwaves- cooking
C. UV radiation- radar
B. Infrared- night vision goggles
D. Radio waves- radio broadcasting
19. Which of the following statement is true about this diagram?
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