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College Physics

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

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Section
BuyFindarrow_forward

College Physics

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

(a) What is the wavelength of a photon that has a momentum of 5.00 × 10 29 kg m / s ? (b) Find its energy in eV.

To determine

(a)

The wavelength of a photon that has a momentum of 5×1029 kgms1.

Explanation

Given info:

  p=5×1029 kg×m×s-1

  h=6.63×1034 Js-1

Formula used:

For momentum in photon, the relation between photon and wavelength is

  phλ

Or

  λhp

Calculation:

Now wavelength of photon is

  λ6

To determine

(b)

The energy in eV.

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