Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class12  >>  Communication Systems
0 votes

What is the length of half wave dipole antenna at 100MHz

$\begin{array}{1 1}(a)\;1m\\(b)\;1.5m\\(c)\;0.75m\\(d)\;2m\end{array}$

Can you answer this question?

1 Answer

0 votes
Frequency $\nu=100MHz=100\times 10^6$Hz
Speed of light $c=3\times 10^8$m/s
Wave length=$\lambda=\large\frac{c}{\nu}=\frac{3\times 10^8}{100\times 10^6}$$=3m$
Length of half wave antenna=$\large\frac{\lambda}{2}=\frac{3}{2}$$=1.5m$
Hence (b) is the correct option.
answered Mar 17, 2014 by sreemathi.v

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App