Given below in the left coloumn are different modes of communication using
the kinds of waves given in the right coloumn.
A. Optical Fibre Communication P. Ultrasound
B. Radar Q. Infrared Light
C. Sonar R. Microwaves
D. Mobile Phones S. Radio Waves
From the options given below, find the most appropriate match between entries
in the left and the right column.
A-Q, B-S, C-R, D-P
A-S, B-Q, C-R, D-P
A-Q, B-S, C-P, D-R
A-R, B-P, C-S, D-Q