Reply To: Which of the following is an application of “Echo”

Options:

(a) Height of an Aeroplane

(b) Stethoscope

(c) in SONAR system to detect the presence of submarine

(d) All of these

Home Modern › Forums › BSNL › Which of the following is an application of “Echo”

Options:

(a) Height of an Aeroplane

(b) Stethoscope

(c) in SONAR system to detect the presence of submarine

(d) All of these › Reply To: Which of the following is an application of “Echo”

Options:

(a) Height of an Aeroplane

(b) Stethoscope

(c) in SONAR system to detect the presence of submarine

(d) All of these