Question

a wave has a frequency of 5 GHz what is the period of the wave??
1.200 ps
2.2 ns
3. 20 ns
4. 20000 s​

Answer 1

Answer:

A wave has a frequency of 5 GHz .2ns is the period of the wave

Answer 2

Answer:

The period of the wave is 0.2ns.

Wave frequency:

Wave frequency is the quantity of waves that move past a specific place in a predetermined period of time. The frequency of a wave may be determined by counting the number of wave crests (high points) that pass the fixed point in one second or in any other time period. The frequency of the waves increases as the number rises. The hertz (Hz) is the SI unit for wave frequency, and 1 hertz is equivalent to 1 wave crossing a fixed point in 1 second. Transverse waves with both high and low frequencies are depicted in the following figure.

Given:

Frequency $f= 5\: GH_{z} = 5\times 10^9\; H_z$

Explanation:

The reciprocal of frequency is the wave's period.

$T=\frac{1}{f}$

$T=\frac{1}{5\times 10^9}$

$T=2\times 10^{-10}$

$T= 0.2 \;ns$

The period of the wave is $0.2\;ns$

Hence, B is correct option

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