Quick Answer: What Is An Example Of An Echo?

How do you reduce echo?

Here are some ways to reduce echo in your abode.Cover the Floor.

Carpets and rugs do more than provide soft padding for your feet.

Cover the Walls and Windows.

Wall and window coverings reduce the amount of sound reflecting off window glass and hard wall surfaces.

Fill Rooms with Furnishings.

Install Acoustic Panels..

Why would a doctor order an echocardiogram?

Your doctor may suggest an echocardiogram to: Check for problems with the valves or chambers of your heart. Check if heart problems are the cause of symptoms such as shortness of breath or chest pain. Detect congenital heart defects before birth (fetal echocardiogram)

Can echocardiogram detect heart attack?

An echocardiogram can help detect: damage from a heart attack – where the supply of blood to the heart was suddenly blocked. heart failure – where the heart fails to pump enough blood around the body at the right pressure. congenital heart disease – birth defects that affect the normal workings of the heart.

What are the two applications of Echo?

The applications of echo: (i) Dolphins detect their enemy and obstacles by emitting the ultrasonic waves and hearing their echo. (ii) In medical science, the echo method of ultrasonic waves is used for imaging human organs such as the liver, gall bladder, etc.

What is considered an echo?

An echocardiogram (echo) is a test that uses high frequency sound waves (ultrasound) to make pictures of your heart. The test is also called echocardiography or diagnostic cardiac ultrasound.

How do you write an echo poem?

How to write an Echo PoemWrite the first line of the poem in the first column. … In the second column, build the second line of the poem so that the first part of it somehow echos the last of the first line – the “echo” can be in the sounds, a rhyme, or often, by simply somehow reversing or relating to the end of the first line.More items…•Jan 16, 2012

What is a thesis echo?

A thesis reminder is a direct echo of the thesis statement. In a short paper, the topic sentence of each paragraph should repeat words or phrases from the thesis statement.

What is Echo sentence?

We shouted our names in the canyon, and listened to the echo. The children shouted, and then listened for their echoes to come back from the hills. If you scream loudly, you can hear your echo coming back to you from the mountains. … The sound of the car crash echoed through the tunnel.

What is Echo Short answer?

Sound | Short/Long Answer Questions Echo is the sound heard after reflection from a rigid surface such as a cliff, a hillside, the wall of a building etc. … So from the rigid surface because the sound heard after the reflection.

How long does an echo test take?

How long does the test take? The appointment will take about 40 minutes. After the test, you may get dressed and go home or go to your other scheduled appointments.

What is echo in data communication?

In telecommunications, echo is the local display of data, either initially as it is locally sourced and sent, or finally as a copy of it is received back from a remote destination. … Remote echo is where the display is a return copy of data as received remotely.

What is the condition required for an echo?

To produce an echo, the conditions required a are: (i) There should be sufficient time gap between original and reflected sounds. … For the formation of echo, the reflecting surface must be rigid such as a building, hill or a cliff. (iv) Size of the obstacle should be quite large for the echoes to be heard.

What is the reason for echo?

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.

What is an echo what can you do to stop the formation of an echo?

The minimum distance between the source of the sound and the reflector should be at least. 17.2m. The size of the reflector must be large, as compared to the wavelength of the incident sound. The intensity or loudness of the sound waves must be sufficient.

How far can an echo travel?

The velocity of sound in dry air is approximately 343 m/s at a temperature of 25 °C. Therefore, the reflecting object must be more than 17.2m from the sound source for echo to be perceived by a person located at the source. When a sound produces an echo in two seconds, the reflecting object is 343m away.

How long can an echo last?

An average echocardiogram will take around 20 minutes to 1 hour to complete. Around 5 minutes owill be spent on preparing and positioning the patient for the echocardiogram. 15 minutes on average will be spent acquiring the relevant images of the heart.

What is the use of echo?

In computing, echo is a command that outputs the strings it is being passed as arguments. It is a command available in various operating system shells and typically used in shell scripts and batch files to output status text to the screen or a computer file, or as a source part of a pipeline.

What causes echo?

The most common form of phone echoing is caused by the caller’s voice going through the recipient’s loudspeaker and coming back through the microphone. … This is common on cell phones, wither iPhones, Androids, or Samsung Galaxy.

What is an echo in literature?

In general literary terms, an echo is a “repetition of the same sound, or combination of sounds, fairly close together, so that they ‘echo’ each other[, and is a] common device in verse to strengthen meaning and structure, and also to provide tune and melody” (Cuddon and Preston 247).

How is echo used in our day to day lives?

# determination of depth of a well : Depth of the water surface of a well can be easily determined by means of echo . # flying of bat : bat fly using the echo of sound as it cannot see . bat can produce and hear ultrasonic sound . … # dolphins search food : dolphins use echo locations mainly to search for food .