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College Physics

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

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Chapter
Section
BuyFindarrow_forward

College Physics

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

(a) Calculate the energy in eV of an IP photon of frequency 2.00 × 10 13 Hz. (b) How many of these photons would need to be absorbed simultaneously by a tightly bound molecule to break it apart? (c) What is the energy in eV of a

To determine

(a)

The energy in eV of an IR photons of frequency 2×1013 Hz.

Explanation

Given info:

  f=2×1013 Hz

  h=4.14×1015 eVs

Formula used:

For energy in photon in radio waves, the relation between energy and frequency is

  Ehf

Calculation:

Substituting the given values of frequency in relation with time, we get

  f=1T

Relating the values value of hertz in relation with second, we get

  

To determine

(b)

The number of photons would need to be absorbed simultaneously by a tightly bound molecule to break it apart.

To determine

(c)

The energy in eV of a gamma rays of frequency 3×1020 Hz.

To determine

(d)

The number of photons tightly bound molecule to break it apart.

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