With reference to the transmission and reflection of sound, which of the following options accurately describes an echo?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) Echo is the change in pitch of sound due to distance from the source
2. (B) Echo is reflected sound heard clearly after the original sound
3. (C) If sound reflects off a wall, echo is the sound produced louder
4. (D) Echo is the continuous sound produced by a vibrating object

Verified Answer

Option (B): Echo is reflected sound heard clearly after the original sound

Practice complete mock tests for SSC, Banking & Railway exams at https://testx.in/questions/01a0bf8a-0611-7b59-a025-ca4335864ec4/with-reference-to-the-transmission-and