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JEE Main 201412 AprilOnline
Exam
JEE Main
Year
2014
Date
12 April
Mode
Online
Subject
Physics
Chapter
Communication System

JEE Main 2014 · 12 April · Online · Physics · Communication System

For sky wave propagation, the radio waves must have a frequency...

For sky wave propagation, the radio waves must have a frequency range in between:

Options

  1. A1MHz1 \mathrm{MHz} to 2MHz2 \mathrm{MHz}
  2. B5MHz5 \mathrm{MHz} to 25MHz25 \mathrm{MHz}
  3. C35MHz35 \mathrm{MHz} to 40MHz40 \mathrm{MHz}
  4. D45MHz45 \mathrm{MHz} to 50MHz50 \mathrm{MHz}

Correct answer

B. 5MHz5 \mathrm{MHz} to 25MHz25 \mathrm{MHz}

Step-by-step solution

Sky wave propagation is suitable for frequency range 5MHz5 \mathrm{MHz} to 25MHz25 \mathrm{MHz}.
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