JEE PYQ: Communication System Question 25
Question 25 - 2019 (10 Apr 2019 Shift 1)
Given below in the left column are different modes of communication using the kinds of waves given in the right column.
A. Optical Fibre Communication — P. Ultrasound B. Radar — Q. Infrared Light C. Sonar — R. Microwaves D. Mobile Phones — S. Radio Waves
(1) A-Q, B-S, C-R, D-P
(2) A-S, B-Q, C-R, D-P
(3) A-Q, B-S, C-P, D-R
(4) A-R, B-P, C-S, D-Q
Show Answer
Answer: (3)
Solution
Optical Fibre — Infrared Light, Radar — Radio Waves, Sonar — Ultrasound, Mobile Phones — Microwaves.
BETA
