Describe the term Specular Reflection
Describe briefly the term Specular Reflection?
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The Specular reflection is when the reflection is much stronger in one viewing direction that is, there is a bright spot termed as specular highlight. It is readily apparent on the shiny surfaces. For an ideal reflector, like a mirror, the angle of incidence equal to the angle of specular reflection.
Light is reflected mostly in the direction of the reflected ray and it is attenuated by an amount dependent on the physical properties of the surface. As the light reflected from the surface is mostly in the direction of the reflected ray the place of the observer finds out the perceived illumination of the surface.
Standard quantum limit: It is the limit obligatory on standard techniques of measurement by the uncertainty principle in quantum mechanics.
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What do you mean by the term density? Briefly explain it.
Dirac constant: Planck constant, modified form; hbar Sometimes more suitable form of the Planck constant, stated as: hbar = h/(2 pi)
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Huygens' construction: Huygens ‘Principle (C. Huygens): The mechanical propagation of the wave (specially, of light) is equal to supposing that every point on the wave front acts as a point source of the wave emission.
Briefly illustrate how do fireworks turn to shapes similar to hearts and stars?
Give one benefit of a scanning electron microscope over the transmission electron microscope? Briefly explain it.
Briefly define or explain the cause of Brownian motion?
Tesla: T (after N. Tesla, 1870-1943): The derived SI unit of the magnetic flux density stated as the magnetic flux density of a magnetic flux of 1 Wb via an area of 1 m2; it therefore has units of Wb/m2.
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