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19 results for "Interference and Diffraction"

19 results for "Interference and Diffraction"

Interference and Diffraction

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Newton's Rings [S | t++ | ★★★] Circular interference pattern formed between spherical and flat glass plates. [ In-Depth Description] Thin Film Interference [M | t+ | ★★★★] Interference patterns on soap films or oil slick. [ In-Depth Description] Gold...

Edge Diffraction
Presentation

What it shows:

A point light source will produce seemingly sharp shadows which turn out to be not at all sharp when viewed under magnification. Narrow interference bands are seen within the shadow of a straight edge while more complicated shapes yield...

Ripple Tank Wave Phenomena
Presentation

Interference patterns of water waves generated by different sources at adjustable frequency.

circular waves
ripples

What It Shows

Various wave phenomena demonstrated with water waves: circular waves from point sources, plane waves from an array of point sources, change of...

Rayleigh's Criterion
Presentation

What it shows:

The criterion for the resolution of two sources is that the central maximum of the single slit interference pattern of one source falls on the first minimum of the pattern of the second source.

How it works:

Each laser beam passing through...

Interference, Refraction & Diffraction

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Sound Cancellation [M | t+ | —] The sound from two speakers destructively interferes. Double Sound Source Interference [M | t+ | ★★★] Young's experiment performed with coherent sound waves from two loudspeakers. [ In-Depth Description] Beats [S | t+ | ★★★...

Light and Optics

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This subject is divided into the subtopics below; selecting a subtopic will take you to a list of specific demos that relate to that area. You can browse other subjects from the navigation on the left. You can search for specific demos using the Search...

Oscillations and Waves

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This subject is divided into the subtopics below; selecting a subtopic will take you to a list of specific demos that relate to that area. You can browse other subjects from the navigation on the left. You can search for specific demos using the Search...

Electromagnetic Waves

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Faraday Rotation [M | t+ | ★★★] Light, passing through heavy glass, has its direction of polarization rotated slightly if a magnetic field is applied to the glass. [ In-Depth Description] Electromagnetic Spear [M | t | ★★] Three dimensional model showing...

Microwave Properties
Presentation

10 cm microwaves are used for the demonstration of travelling and standing waves, reflection, interference, refraction, diffraction, absorption, polarization, tunneling, and waveguides.

What it shows:

The following is a sequence of experiments that can...

Quantum Mechanics

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Black Body Radiation Lamp [M | t | ★ ] Tungsten filament lamp whose color is temperature dependant in accordance with Planck's radiation law. [ In-Depth Description] Wien's Displacement Law [L | t+ | ★★] Changes in the spectral intensity distribution of a...

Double Sound Source Interference
Presentation

What it shows:

Two loudspeakers, separated about 1.7 meters emit the same tone of frequency 500 Hz and produce a pattern of constructive and destructive interference.

How it works:

At this frequency, the successive positions of constructive interference...