According to Huygens principle, the amplitude of secondary wavelets is

Class 12th Physics, Question Paper 2023: According to Huygens principle, the amplitude of secondary wavelets isĀ 

These are the options for the Question: According to Huygens principle, the amplitude of secondary wavelets is

(A) equal in both the forward and the backward directions.
(B) maximum in the forward direction and zero in the backward direction.
(C) large in the forward direction and small in the backward direction.
(D) small in the forward direction and large in the backward direction