Multiple choice

Four modes of wireless communication are given below:

  1. Bluetooth
  2. FM radio
  3. Wi-Fi
  4. Infrared

Compare the ranges of the given modes of wireless applications.

  1. 2 > 3 > 4 > 1

  2. 3 > 2 > 1 > 4

  3. 3 > 2 > 4 > 1

  4. 2 > 3 > 1 > 4
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The correct order of ranges of the modes of wireless applications is 2 > 3 > 1 > 4 with FM radio (~100 km) having the highest range followed by Wi-Fi (100m), bluetooth (10 m) and IR having the lowest range (with in a room).

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