JEE Mains · Physics · STD 12 - 8. Electromagnetic waves
Given below in the left column are different modes of communication using the kinds of waves given in the right column
| \(A.\) Optical Fiber Communication | \(P.\) Ultrasound |
| \(B.\) Radar | \(Q.\) Infrared Light |
| \(C.\) Sonar | \(R.\) Microwaves |
| \(D.\) Mobile Phones | \(S.\) Radio Waves |
- A \(A -S, B -Q, C -R, D -P\)
- B \(A -Q, B -S, C -P, D -R\)
- C \(A -R, B -P, C -S, D -Q\)
- D \(A -Q, B -S, C -R, D -P\)
Answer & Solution
Correct Answer
(B) \(A -Q, B -S, C -P, D -R\)
Step-by-step Solution
Detailed explanation
\(Optical\, Fibre\, Communication -Infrared\, light\) For fiber optics with glass fibers, we use light in the infrared region which has wavelengths longer than visible light, typically around \(850,1300\) and \(1550 \mathrm{nm}\). Scattering is caused by light bouncing off atoms…
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