A smooth flat discontinuity whose major plane is not perpendicular to the direction of sound propagation may be indicated by:

M

Mr. Dubey • 52.30K Points
Coach

Q. A smooth flat discontinuity whose major plane is not perpendicular to the direction of sound propagation may be indicated by:

(A) An echo amplitude comparable in magnitude to the back surface reflection

(B) A complete loss of back surface reflection

(C) An echo amplitude larger in magnitude than the back surface reflection

(D) All of the above

Correct : Option (B)

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