{:("Coulmn -I","Column-II"),("Spherical wave found"," location of new wave found"),("plane wave found ","line source"),("cylindrical wavefound"," point source at infinite "),("Huygen.s principle","point sourceat infinite distance "):}

{:("Coulmn -I","Column-II"),("Spherical wave found"," location of new

1.	{:("Coulmn -I","Column-II"),("Spherical wave found"," location of new wave found"),("plane wave found ","line source"),("cylindrical wavefound"," point source at infinite "),("Huygen.s principle","point sourceat infinite distance "):}
Answer» ANSWER :A-r, B-s; C-q, D-p

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{:("Coulmn -I","Column-II"),("Spherical wave found"," location of new wave found"),("plane wave found ","line source"),("cylindrical wavefound"," point source at infinite "),("Huygen.s principle","point sourceat infinite distance "):}

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