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प्रश्न
The radius of curvature of a plane wavefront ______
विकल्प
is less than that of a spherical wavefront.
is infinity.
is equal to the radius of curvature of a reversing wavefront.
is slightly more than that of a cylindrical wavefront.
MCQ
रिक्त स्थान भरें
उत्तर
The radius of curvature of a plane wavefront is infinity.
shaalaa.com
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