The frequency, the energy of one photon and the energy of 1.0 m o l of photons of violet light have to be calculated. The energy of violet light has to be compared with red light Concept introduction: Electromagnetic radiations are a type of energy surrounding us. They are of different types like radio waves, IR, UV, X-ray etc. The violet and red light lies in the visible light where violet light lies between 450 n m – 400 n m whereas red light is lies in 700 nm − 635 nm . Planck’s equation, E = hν where, E = energy h = Planck's constant ν = frequency The energy increases as the wavelength of the light decrease. Also the energy increases as the frequency of the light increases. The frequency of the light is inversely proportional to its wavelength. ν = c λ where, c = speed of light ν = frequency λ = wavelength

BuyFind

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
BuyFind

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

Solutions

Chapter 6, Problem 6PS
Interpretation Introduction

Interpretation: The frequency, the energy of one photon and the energy of 1.0mol of photons of violet light have to be calculated. The energy of violet light has to be compared with red light

Concept introduction:

  • Electromagnetic radiations are a type of energy surrounding us. They are of different types like radio waves, IR, UV, X-ray etc.
  • The violet and red light lies in the visible light where violet light lies between 450 nm400 nm whereas red light is lies in 700nm635 nm.
  • Planck’s equation,

    E=where, E=energyh=Planck'sconstantν=frequency

The energy increases as the wavelength of the light decrease. Also the energy increases as the frequency of the light increases.

  • The frequency of the light is inversely proportional to its wavelength.

  ν=cλwhere, c=speedoflightν=frequencyλ=wavelength

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