L32 Reflection property of parabola: Rays parallel to axis pass through focus Details in description
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Загружено: 2020-06-28
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L32 Reflection property of parabola: Rays parallel to axis pass through focus
Example 1: Prove that a ray og light coming from y=b to parabolic mirror y^2=4ax will pass through focus and also find its equation?
Example 2: A ray of light coming from y=2 strikes a parabola y^2=48x, find the equation of reflected ray?
Example 3: A ray of light moving parallel to x axis gets reflected from mirror y^2+10y-4x+17=0 , after reflection it must pass through the point?
Example 4: A ray of light from x=t on reaching parabola x^2=4(y-1), the ray is reflected along x+y=2, the reflected ray strikes the mirror again, find equation of second reflected ray? Support the channel:
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