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Screenshot of the Zygo white light interferometry microscope software. (Credit: Huygens Optics) Whit...
Luminiferous Aether
Introduction The concept of the luminiferous aether (also known as “ether”) was central to the theoretical framework of physics before the advent of Einstein’s theory of relativity. Essentially, it was considered the medium through which light waves propagate, much like sound waves require a medium such as air to travel. The Nature of Light: A Historical Perspective To understand the…
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michelson interferometer diagram and derivation. It is used to determine the wavelength of light and refractive index of a thin material. Circles fringes,Lo
Interferometry The Michelson Interferometer
Experiment Viva Questions How to Determine Wavelength of the He-Ne Laser light by using Michelson Interferometer
Experiment Viva Questions How to Determine Wavelength of the He-Ne Laser light by using Michelson Interferometer
Viva Questions of He-Ne Laser wavelength determination by Michelson Interferometer
1Q. What is Interference? 2Q. What is the condition for Interference? 3Q. What are LASER properties and what do you mean by a Coherent Source? 4Q. Why you are using LASER (monochromatic source) why not bulb or sun light, tube light ? 5Q. What is the role of semi silvered glass plate and why one keep it at 45 degree?
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What is the Coefficient of Thermal Expansion?
What is the Coefficient of Thermal Expansion?
C O N T E N T S:
KEY TOPICS
Linear thermal expansion coefficient is defined as material’s fractional change in length divided by the change in temperature.(More…)
The amount by which unit volume of a material increases for a one degree rise of temperature is called the coefficient of cubic (or volumetric) expansion and is represented by ? (Greek gamma).(More…)
In recent work, 9 we have used this…
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With a Michelson, Optics are awesome
