In the phenomenon of interference :-(a) Total | vedclass

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(C) In the phenomenon of interference,the principle of conservation of energy holds true. The energy is redistributed from the regions of destructive

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$a, d$

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(C) In the phenomenon of interference,the principle of conservation of energy holds true. The energy is redistributed from the regions of destructive interference (dark fringes) to the regions of constructive interference (bright fringes),so the total energy remains conserved. Thus,statement $(a)$ is correct.For sustained interference to occur,the two sources must be coherent,which implies that they must have the same frequency and a constant phase difference. Thus,statement $(d)$ is correct.Statement $(b)$ is incorrect because energy is conserved.Statement $(c)$ is incorrect because both bright and dark fringes are formed.Therefore,the correct statements are $(a)$ and $(d)$.

In the phenomenon of interference :-
$(a)$ Total energy is conserved
$(b)$ Total energy is not conserved
$(c)$ Only bright fringes are formed
$(d)$ The frequency of two sources is equal

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In the phenomenon of interference :-$(a)$ Total energy is conserved$(b)$ Total energy is not conserved$(c)$ Only bright fringes are formed$(d)$ The frequency of two sources is equal