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JEE Main 10 Apr 2019 Paper 1 Solved Paper
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Question : 25
Total: 90
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. Ultra sound
B. Radar
Q. Infrared ligh
C. Sonar
R . Microwaves
D. Mobile phones
S. radiowaves
From the options given below , find the most appropriate match between entries in the left and the right column.
A-Q, B-S, C-P, D-R
A-S, B-Q, C-R, D-P
A-R, B-P, C-S, D-Q
A-Q, B-S, C-R, D-P
Validate
Solution:
Optical Fibre Communication: Infrared light
Radar: Radio waves
Sonar:Ultra Sound
Mobile phones: micro waves Mode of communication
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