Derive the quasi-spherical solution (7.42) of the vacuum scalar wave equation 2/t 2 + 2
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Derive the quasi-spherical solution (7.42) of the vacuum scalar wave equation −∂2ψ/∂t2 + ∇2ψ = 0 from the geometric-optics laws by the procedure sketched in the text.
Transcribed Image Text:
4 B(Ct-r,0,0)i(Ct-r,0,0), r (7.42)
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The scalar wave equation in vacuum is given by 2t2 2 0 To derive the quasispherical solution 742 from the geometricoptics laws we start by assuming that the wave propagates in a medium with a slowly v...View the full answer
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Related Book For
Modern Classical Physics Optics Fluids Plasmas Elasticity Relativity And Statistical Physics
ISBN: 9780691159027
1st Edition
Authors: Kip S. Thorne, Roger D. Blandford
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