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What is the frequency of a 20 m radiowav...

What is the frequency of a 20 m radiowave?

A

a.15MHz

B

b.12MHz

C

c.1200 KHz

D

d.25 MHz

Text Solution

Verified by Experts

The correct Answer is:
A
`n=c/lambda=(3xx10^8)/20=15xx10^6`=15 MHz
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