Physics-Huygens Principle
NEET Physics Huygens Principle MCQ Question
Type: MCQ-diagram based-Hard-Class 12
Imagine a diagram showing a point source of light in a medium with a wavefront, represented by a sphere of radius vt. If a tangent is drawn from a point outside this sphere to the sphere itself, what does this tangent represent in Huygens' Principle?
A
The new wavefront position.
B
The direction of energy propagation.
C
The initial wavefront position.
D
The speed of the wave in the medium.
Correct Answer
Option A
Detailed Explanation
According to the NCERT context, the common tangent to these spheres represents the new position of the wavefront.
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