Physics
Of the following properties of a wave, the one that is independent of the other is its

velocity
amplitude
frequency
wavelength

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Physics
Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct?

It follows the wave path near the tropopause at elevations of 8 km to 15 km.
Jet streams are typically continuous over long distances.
It is narrow band of high-velocity wind.
In summer, the polar front jet achieves its maximum force.

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