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Chapter 23: Q33 P (page 990)

What is the wavelength of ultraviolet light whose frequency is 5×1015Hz?

Short Answer

Expert verified

The wavelength of the ultraviolet light is 60nm.

Step by step solution

01

Identification of given data

The frequency ultraviolet light f=5×1015Hz

02

Determine the formulas to calculate the wavelength of the ultraviolet light.

The expression to calculate the wavelength is given as follows.

λ=vf …(i)

Here,ν is the speed of the light.

03

Determining the wavelength of the ultraviolet light.

Calculate the wavelength of the ultraviolet light.

Substitute5×1015Hz for f and3×108m/s for νinto equation (i).

λ=3×108m/s5×1015 Hz=3×10-75 m=0.6×10-7 m=60nm

Hence the wavelength of the ultraviolet light is 60nm.

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