Question: Show that a paraboloidal wave centered at the point P1 is converted by a lens of focal length f into a paraboloidal wave centered about

Show that a paraboloidal wave centered at the point P1 is converted by a lens of focal length f into a paraboloidal wave centered about P2, where 1/z1+1/z2=1/f. [hint: using U1, U2 and t]

Pz P1 Z1

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Physics Principles with Applications 7th edition by Douglas C. Giancoli