NEET Physics Huygens Principle MCQ Question
Consider a diagram representing Huygens' construction of wavefronts, where spheres of radius vt are drawn from points on a spherical wavefront. What does the common tangent to these spheres represent?
The new position of the wavefront
The path of the backwave
The direction of energy propagation
The original wavefront position
Correct Answer
Detailed Explanation
The common tangent to the spheres represents the new position of the wavefront at time t, as per Huygens' Principle.
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