The wavelength of a particular color of violet light is 417 nm. The energy of this wavelength of light is

E = 4.7 x Joules

Explanation:

Solution:

The wavelength of a particular color of violet light = 417 nm

What is the energy = ?

In order to calculate energy, we will use the following formula:

E = hf

where, f = frequency = 1/wavelength = c/λ

where c = speed of light = 299 792 458 m / s or 3 x m/s

where h = Plank's constant = 6.62x kg / s

So,

λ = 417 nm

1 nm = m

so,

λ = 417 x m

Now, just plug in the values to calculate the energy of this wavelength of light.

E = hc/λ

E = ( 6.62x ) (299 792 458) / (417 x )

E = 0.047 x

E = 4.7 x Joules

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