Khan Academy on a Stick
Waves and optics
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Introduction to Waves
ccIntroduction to transverse and longitudinal waves
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Amplitude, Period, Frequency and Wavelength of Periodic Waves
ccAmplitude, period, frequency and wavelength of periodic waves
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Introduction to the Doppler Effect
ccIntroduction to the Doppler Effect
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Doppler effect formula when source is moving away
ccDoppler effect formula when source is moving away
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When the source and the wave move at the same velocity
ccWhen the source and the wave move at the same velocity
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Mach Numbers
ccMach numbers
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Specular and Diffuse Reflection
ccSpecular and Diffuse Reflection
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Specular and Diffuse Reflection 2
ccSpecular and Diffuse Reflection 2
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Refraction and Snell's Law
ccRefraction and Snell's Law
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Refraction in Water
ccRefraction in Water
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Snell's Law Example 1
ccSnell's Law Example 1
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Snell's Law Example 2
ccSnell's Law Example 2
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Total Internal Reflection
ccCritical incident angle and total internal reflection
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Virtual Image
ccVirtual Image
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Parabolic Mirrors and Real Images
ccParabolic Mirrors and Real Images
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Parabolic Mirrors 2
ccParabolic Mirrors 2
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Convex Parabolic Mirrors
ccConvex Parabolic Mirrors
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Convex Lenses
ccConvex Lenses
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Convex Lens Examples
ccConvex Lens Examples
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Doppler effect formula for observed frequency
ccDoppler effect formula for observed frequency
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Concave Lenses
ccConcave Lenses
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Object Image and Focal Distance Relationship (Proof of Formula)
ccObject Image and Focal Distance Relationship (Proof of Formula)
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Object Image Height and Distance Relationship
ccObject Image Height and Distance Relationship