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Chapter 38: Q29P (page 1182)

What (a) frequency, (b) photon energy, and (c) photon momentum magnitude (in keV/c) are associated with x-rays having wavelength 35.0pm?

Short Answer

Expert verified
  1. The required frequency is8.57×1018Hz
  2. The photon energy is3.55×104eV
  3. The photon momentum magnitude is 35.4keV/c.

Step by step solution

01

Identification of the given data:

The given data is listed below.

The wavelength of x-ray isλ=35pm

02

Significance of frequency of x-ray:

The frequency of x-ray is given by-

f=cλ

The frequency in the above equation is denoted by f, c is the speed of light, and λis the wavelength.

03

(a) To determine the frequency of x-ray:

The frequency of x-ray is given by-

f=cλ ….. (1)

04

(b) To determine the photon energy of x-ray:

The photon energy of x ray is given by-

05

(c) Determine the photon momentum magnitude of x-ray:

The photon momentum is given by-

p=hλ

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