Geometric And Physical Optics an der University Of Huddersfield | Karteikarten & Zusammenfassungen

# Lernmaterialien für geometric and physical optics an der University of Huddersfield

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minus lenses resemble

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2 prisms apex to apex spreading/diverging light rays

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what is a wavefront and wavelet

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wavefront - the position that light is in any given moment will be a sphere having the source at its centre

wavelet- any point on a wave surface acts as a new source from which secondary waves/wavelets spread out from

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what are the three light sources

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1. natural or artificial light
2. point source a very small light source
3. extended source several point sources
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what is the visible light spectrum and which are the longer and shorter wavelengths

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spectrum is a collection of waves the visible light waves are called the visible spectrum

long- red 700nm

short- violet 400nm

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what is an isotropic medium

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if the optical medium has the same properties in all directions

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what is a homogenous medium

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if the optical media have the same properties throughout their mass

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what is an optical medium

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space through which light travels

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what is the difference between geometric and physical optics

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• Geometrical optics- helps us to understand the basics of light, reflection, refraction and the use of simple optical elements such as mirrors prisms and lenses

• Physical optics- helps us to understand the phenomena of light wave, interference, diffraction and polarization and the use of thin film coatings on mirrors to enhance or suppress reflection

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pus lens resembles

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2 prisms base to base converging light rays

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what is the first law of geometrical optics

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light rays propagating through a homogenous transparent medium do so in straight lines

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properties of spherical lenses

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same power in all meridians parallel light rays form a point focus

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define

wavelength

frequency

amplitude

velocity

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wavelength- the distance between successive points of a similar phase nm

frequency- the number of complete waves produced in one second Hz

amplitude - the peak value of the waves

velocity - the rate at which the waves travel metres per second

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## Beispielhafte Karteikarten für deinen geometric and physical optics Kurs an der University of Huddersfield - von Kommilitonen auf StudySmarter erstellt!

Q:

minus lenses resemble

A:

2 prisms apex to apex spreading/diverging light rays

Q:

what is a wavefront and wavelet

A:

wavefront - the position that light is in any given moment will be a sphere having the source at its centre

wavelet- any point on a wave surface acts as a new source from which secondary waves/wavelets spread out from

Q:

what are the three light sources

A:
1. natural or artificial light
2. point source a very small light source
3. extended source several point sources
Q:

what is the visible light spectrum and which are the longer and shorter wavelengths

A:

spectrum is a collection of waves the visible light waves are called the visible spectrum

long- red 700nm

short- violet 400nm

Q:

what is an isotropic medium

A:

if the optical medium has the same properties in all directions

Q:

what is a homogenous medium

A:

if the optical media have the same properties throughout their mass

Q:

what is an optical medium

A:

space through which light travels

Q:

what is the difference between geometric and physical optics

A:

• Geometrical optics- helps us to understand the basics of light, reflection, refraction and the use of simple optical elements such as mirrors prisms and lenses

• Physical optics- helps us to understand the phenomena of light wave, interference, diffraction and polarization and the use of thin film coatings on mirrors to enhance or suppress reflection

Q:

pus lens resembles

A:

2 prisms base to base converging light rays

Q:

what is the first law of geometrical optics

A:

light rays propagating through a homogenous transparent medium do so in straight lines

Q:

properties of spherical lenses

A:

same power in all meridians parallel light rays form a point focus

Q:

define

wavelength

frequency

amplitude

velocity

A:

wavelength- the distance between successive points of a similar phase nm

frequency- the number of complete waves produced in one second Hz

amplitude - the peak value of the waves

velocity - the rate at which the waves travel metres per second

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