Question

Part A What is the frequency of light (s-) that has a wavelength of 3.86 x 10-5 cm? O 9.62 * 1012 5-1 O 6.32 x 10-12 51 О 214 10-165-1 O 1.04 x 10-135-1 O 7.77 10145-1 Submit Request Answer

Answer 1

Given,

Wavelength: 3.86*10-5 cm.

To find,

Frequency of light = ?

we know that speed of light is 3*108 ms-1

formula used,

v=c

where v=frquency

c = speed of light

$\lambda$ = wavelength

First we need to convert wavelenght in metre from cm by dividing it by 100, which gives us 3.86*10-7

Now putting the values in formula;

frequency = 3* 108ms-1/ 3.86*10-7m

which gives 7.77*10-14
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