PPT: Modern Physics - Civil Engineering (CE) PDF Download

 Page 1


1
Introduction
A)  Radiation
B) Light is made of particles. The need for a quantification
1) Black-body radiation (1860-1901)
2) Atomic Spectroscopy (1888-)
3) Photoelectric Effect (1887-1905)
C) Wave–particle duality
1) Compton Effect (1923).
2) Electron Diffraction Davisson and Germer (1925).
3) Young's Double Slit Experiment
D) Louis de Broglie relation for a photon from relativity
Page 2


1
Introduction
A)  Radiation
B) Light is made of particles. The need for a quantification
1) Black-body radiation (1860-1901)
2) Atomic Spectroscopy (1888-)
3) Photoelectric Effect (1887-1905)
C) Wave–particle duality
1) Compton Effect (1923).
2) Electron Diffraction Davisson and Germer (1925).
3) Young's Double Slit Experiment
D) Louis de Broglie relation for a photon from relativity
2
When you find this image,                you may
skip this part
This is less important
Page 3


1
Introduction
A)  Radiation
B) Light is made of particles. The need for a quantification
1) Black-body radiation (1860-1901)
2) Atomic Spectroscopy (1888-)
3) Photoelectric Effect (1887-1905)
C) Wave–particle duality
1) Compton Effect (1923).
2) Electron Diffraction Davisson and Germer (1925).
3) Young's Double Slit Experiment
D) Louis de Broglie relation for a photon from relativity
2
When you find this image,                you may
skip this part
This is less important
3
The idea of duality is
rooted in a debate over
the nature of light and
matter dating back to the
1600s, when competing
theories of light were
proposed by Huygens
and Newton.
Christiaan Huygens
Dutch  1629-1695
light consists of waves
Sir Isaac Newton
1643 1727
light consists of particles
Page 4


1
Introduction
A)  Radiation
B) Light is made of particles. The need for a quantification
1) Black-body radiation (1860-1901)
2) Atomic Spectroscopy (1888-)
3) Photoelectric Effect (1887-1905)
C) Wave–particle duality
1) Compton Effect (1923).
2) Electron Diffraction Davisson and Germer (1925).
3) Young's Double Slit Experiment
D) Louis de Broglie relation for a photon from relativity
2
When you find this image,                you may
skip this part
This is less important
3
The idea of duality is
rooted in a debate over
the nature of light and
matter dating back to the
1600s, when competing
theories of light were
proposed by Huygens
and Newton.
Christiaan Huygens
Dutch  1629-1695
light consists of waves
Sir Isaac Newton
1643 1727
light consists of particles
4
Radiations, terminology
Page 5


1
Introduction
A)  Radiation
B) Light is made of particles. The need for a quantification
1) Black-body radiation (1860-1901)
2) Atomic Spectroscopy (1888-)
3) Photoelectric Effect (1887-1905)
C) Wave–particle duality
1) Compton Effect (1923).
2) Electron Diffraction Davisson and Germer (1925).
3) Young's Double Slit Experiment
D) Louis de Broglie relation for a photon from relativity
2
When you find this image,                you may
skip this part
This is less important
3
The idea of duality is
rooted in a debate over
the nature of light and
matter dating back to the
1600s, when competing
theories of light were
proposed by Huygens
and Newton.
Christiaan Huygens
Dutch  1629-1695
light consists of waves
Sir Isaac Newton
1643 1727
light consists of particles
4
Radiations, terminology
5
Interferences
Constructive Interferences
Destructive Interferences
in