When a sound is reflected from a distant object An echo is produced let the distance?

When a sound is reflected from a distant object An echo is produced let the distance?

When a sound is reflected from a distant object, an echo is produced. Let the distance between the reflecting surface and the source of sound production remains the same. Do you hear echo sound on a hotter day? As the temperature increases, the speed of the sound also increases.

How can echo be used to measure distance?

This method involves measuring the time taken for you to hear an echo from a sharp clap. You stand a long distance from a wall, clap, and listen for the echo. The distance travelled is twice the distance from you to the wall (because the sound has to travel to the wall and back).

What is echo an example of?

Echo is defined as a sound repeating by sound wave reflection, having a lasting or far reaching impact, or repeating what someone else has said. An example of echo is the repeating of a sound created by footsteps in an empty marble hallway.

What is echo Byjus?

An echo is a sound caused by the reflection of sound waves from a surface back to the listener. It is the reflection of sound, arriving at the listener some time after the direct sound. Suggest corrections. 0 Upvotes. Similar questions.

What is an echo Class 7?

An echo is the repetition of sound that results as a reflection from a surface. We cannot hear an echo unless the reflecting surface is beyond a specified distance from the source of the sound. The minimum distance required to hear an echo is 17.2 metres. The sensation of sound persists for 0.1 second.

What is the speed of Echo?

While hiking through a canyon, Noah Formula lets out a scream. An echo (reflection of the scream off a nearby canyon wall) is heard 0.82 seconds after the scream. The speed of the sound wave in air is 342 m/s.

How does an echo sound?

Echoes. An echo is a sound that is repeated because the sound waves are reflected back. Sound waves can bounce off smooth, hard objects in the same way as a rubber ball bounces off the ground. Although the direction of the sound changes, the echo sounds the same as the original sound.

When can you hear echo?

An echo is heard when the distance between the person producing sound and the rigid obstacle is long enough to allow the reflected sound to reach the person least 0.1 seconds after the original sound is heard. Otherwise, the echo is not distinguished even on reaching the ears.

What is mean by echo sound?

Essential Meaning of echo. 1 : a sound that is a copy of another sound and that is produced when sound waves bounce off a surface (such as a wall) We shouted into the canyon and listened to the echo of our voices.