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3 years ago

What is the velocity of a wave with a frequency of 300 Hz and a wavelength of 0.45 m?

Physics

2 answers:

Rainbow [258]3 years ago

3 0

Answer:

velocity= 135m/s

Explanation:

velocity = 300×0.45

= 135m/s²

drek231 [11]3 years ago

3 0

360 m/s :because the main properties include wavelength, amplitude, crest and trough.

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The ranges of frequency are:

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The relationship between frequency and wavelength for an electromagnetic wave is the following:

$f = \frac{c}{\lambda}$

where

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$c=3.0\cdot 10^8 m/s$ is the speed of light

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For the UVA, the range of wavelength is 320 nm - 400 nm, so

$\lambda_1 = 320 \cdot 10^{-9} m\\\lambda_2 = 400 \cdot 10^{-9} m$

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$f_1 = \frac{3\cdot 10^8}{320\cdot 10^{-9}}=9.38\cdot 10^{14} Hz\\f_2= \frac{3\cdot 10^8}{400\cdot 10^{-9}}=7.50\cdot 10^{14} Hz$

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So the corresponding frequencies are

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So the ranges of frequency are:

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UVB: $[9.38-10.71]\cdot 10^{14} Hz$

Learn more about waves, frequency and wavelength:

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