Wavelength is 0.00004 cm is the weather like for a violet light a large or small value and how do you know
The frequency of the violet light is [tex]7.495\times10^{14} s^{-1}[/tex].
Given that,
Wavelength λ=0.00004cm
First, we convert cm to nm
0.00004cm =400nm
These are connected by the equation in electromagnetic radiation (light):
c = λυ
where c refers to the speed of light value is 2.998 x [tex]10^{8}[/tex] m/s, λ refers to wavelength (m) and υ refers to frequency ([tex]s^{-1}[/tex]or Hz).
Now, c = λυ
2.998 x [tex]10^{8}[/tex] m/s=400[tex]\times[/tex][tex]10^{-9}[/tex]m[tex]\times\\[/tex]υ
υ=[tex]\frac{2.998\times10^{8} m/s}{400\times10^{-9}m }[/tex]
υ= [tex]7.495\times10^{14} s^{-1}[/tex]
Therefore, The frequency of the violet light is [tex]7.495\times10^{14} s^{-1}[/tex].
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