The telecsope and optical instruments

The telecsope and optical instruments - WAVES MEDIUM...

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WAVES MEDIUM VIBRATES PERPENDICULAR LY TO THE WAVE DIRECTION IF f IS THE WAVE FREQUENCE AND λ IS THE WAVELEGTH THEN c, THE
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ELECTROMAGNETIC WAVES FOR EVERY ELECTRIC WAVE THERE IS A CORRESPONDIN G MAGNETIC WAVE AT RIGHT ANGLES TO IT (AND VICE VERSA).
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LONGITUDINAL WAVES PARTICLE MOTION IS PARALLEL TO THE WAVE DIRECTION EXAMPLE – SOUND WAVES
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ELECTROMAGNETIC (E-M) SPECTRUM E-M WAVES IN NATURE RANGE FROM λ=.01 nm TO λ=1,000 m, A RANGE OF 1013. 1 ANGSTROM = 10-8 CM FROM SHORT TO LONG WAVELENGTH:
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REFLECTION REACTION OF LIGHT WAVES WHEN THEY ENCOUNTER AN OPAQUE MEDIUM i=r WHERE: i IS THE ANGLE OF INCIDENCE
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REFRACTION THE REACTION OF LIGHT WAVES WHEN THEY ENCOUNTER A TRANSPARENT INTERFACE θ1=θ2 WHERE: θ1 IS THE ANGLE OF INCIDENCE
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TOTAL INTERNAL REFLECTION WHEN LIGHT TRAVELS INTO AN OPTICALLY LESS DENSE MEDIUM IT WILL BEND AWAY FROM THE NORMAL LINE θ1 = θC (THE CRITICAL ANGLE)
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PRISM AS A MIRROR THE ADVANTAGE OF USING A PRISM AS A MIRROR IS THAT THE REFLECTING SURFACE CANNOT GET DIRTY
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The telecsope and optical instruments - WAVES MEDIUM...

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