Ray diverging from a point source form a wave front that is |
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a) |
Cylindrical |
b) |
Spherical |
c) |
Plane |
d) |
Cubical |
Ray diverging from a point source form a wave front that is |
|||||||
a) |
Cylindrical |
b) |
Spherical |
c) |
Plane |
d) |
Cubical |