Chapter 30, Problem 27PE

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

Chapter
Section

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

# An x ray tube has an applied voltage of 100 kV. (a) What is the most energetic x-ray photon it can produce? Express your answer in electron volts and joules. (b) Find the wavelength of such an Xâ€”ray.

To determine

(a)

The most energetic x-ray photon it can produce? Express your answer in electron volts and joules.

Explanation

Given Data:

An x-ray tube has an applied voltage of100â€‰kV.

Formula Used:

The expression for energy is as follows:

E=qV

WhereE= Energy of the x-ray photons

q= Charge

V= Applied voltage

Calculation:

We haveV=100kV

â€ƒâ€ƒq=1.602Ã—10âˆ’19C

Substituting the values, energy is calculated as

E=(1.602Ã—10âˆ’19C)(100â€‰kVÃ—100Â V1Â kV)

E=1

To determine

(b)

The most energetic x-ray photon it can produce is1.60×1014J . Find the wavelength of such an x-ray.

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