11. How will you compare the energy of x-ray and gamma ray?
A. X-ray has greater amount of energy. B. Gamma ray has lower amount of energy.
C. X-ray and gamma ray carry the same amount of energy.
D. X-ray has lower amount of energy.
12. Which EM wave is the most dangerous?
A. gamma ray
C, infrared
D. microwave
B. X-ray
13. Which EM wave has a lower frequency?
A gamma ray
C. ultraviolet
B. X-ray
D. visible light
14. Which EM wave has a longer wavelength?
A. microwave
C. ultraviolet
B. infrared
D. visible light
15. Which EM wave carries the greater amount of energy?
A radio wave
C. ultraviolet
B, microwave
D. infrared​