A. X-rays
B. Sound waves
C. Micro waves
D. Ultraviolet rays
A. Micro waves
B. Sound waves
C. Radio waves
D. Ultraviolet waves
A. Kidney surgery
B. Angeography
C. Lithotropsy
D. MRI
A. Photograph
B. Two-dimensional sketch
C. Photocopy
D. Hologram
A. Geo satellites
B. Stationary satellites
C. Earth-space satellites
D. Geo-stationary satellites
A. Infrared waves
B. Ultraviolet waves
C. Sound waves
D. Radio waves
A. Sonar system
B. Radiation system
C. X-ray system
D. Radar system