Physics-Huygens Principle
NEET Physics Huygens Principle MCQ Question
Type: MCQ-numerical-Medium-Class 12
A point source emits spherical wavefronts in a medium where the speed of the wave is 300 m/s. If the radius of the wavefront at time t = 2 seconds is measured, what will be the radius?
A
600 m
B
300 m
C
150 m
D
900 m
Correct Answer
Option A
Detailed Explanation
According to Huygens Principle, the wavefront moves outward with a speed v. The radius of the wavefront can be calculated using the formula r = vt. Given v = 300 m/s and t = 2 seconds, r = 300 * 2 = 600 m.
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