Physics-Huygens Principle
NEET Physics Huygens Principle MCQ Question
Type: MCQ-diagram based-Medium-Class 12
Consider a diagram where a spherical wavefront is expanding from a point source O. Spheres of radius vt are drawn from each point on the wavefront, and a common tangent to these spheres is drawn. What does this common tangent represent?
A
The new position of the wavefront at time t.
B
The path of the backwave.
C
The initial wavefront position.
D
The boundary of the medium.
Correct Answer
Option A
Detailed Explanation
The common tangent to the spheres represents the new position of the wavefront at time t, as described in the NCERT context.
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