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
Application of Infrared rays -
1. Treat muscular pain.
2. For taking photographs in fog or smoke
3. In weather forecasting
-
Application of Radio and Microwaves -
These are used in radio and TV communication.
-
Optical fibre communication Infrared light
Radar Radio waves
Sonar Ultrasound
Mobile phones Microwaves
Correct option is (3)
A-Q , B-S , C-P , D-R
Option 1)
A-Q, B-S, C-R, D-P
Option 2)
A-S, B-Q, C-R, D-P
Option 3)
A-Q, B-S, C-P, D-R
Option 4)
A-R, B-P, C-S, D-Q
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