3. It is a short wavelength that can penetrate the flesh but not bones.
a. X-ray
b. Infrared
c. Radio waves
4. Which of the following EM SPECTRUM has the highest amount of energy or the most po
a. X-ray
b. Infrared
c. Radio waves
5. What type of electromagnetic waves is used in RADAR?
a. Microwaves
b. Infrared
c. Radio waves
6. Which two waves lie at the ends of the visible spectrum?
a. Infrared and UV ray
b. Radio waves and Microwaves c. Radio waves and X-ray
above
7. Which of these examples in the effect of UV ray?
a. headaches
b. sun burn
c. skin cancer
8. An EM SPECTRUM are being used in satellite communications and Radar?
a. Microwaves
b. Infrared
c. Radio waves
2. Which of the following EM SPECTRUM below, that are being used in remote control,
appliances?
a. Microwaves
b. Infrared
c. Radio waves
10. In our cellular phones, which EM SPECTRUM is used?
a. Microwaves
b. Infrared
c. Radio waves​