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    #1

    Question bounce off, reflect back, return, come back

    hi

    Are all of the following words synonymous with each other?

    "bounce off, reflect back, return, come back"

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    #2

    Re: bounce off, reflect back, return, come back

    Some of the words and phrases you listed can be synonyms.
    I am not a teacher.

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    #3

    Re: bounce off, reflect back, return, come back

    Venus.jam, please write some sentences in which you think they may all have the same meaning.
    Last edited by emsr2d2; 06-Dec-2016 at 00:58. Reason: Fixed typo

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    #4

    Re: bounce off, reflect back, return, come back

    I need to provide a synonym for "come back". I was wondering if all of the above-mentioned words are synonymous with "come back".

    1. sonar uses waves that are sent out and return with a different frequency when they bounce off objects.
    2. Bats send out waves that are reflected back by trees, etc.
    3. when the waves bounce off objects and come back to the bats, the waves are a different frequency.
    Last edited by Venus.jam; 07-Dec-2016 at 09:58.

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    #5

    Re: bounce off, reflect back, return, come back

    Quote Originally Posted by Venus.jam View Post
    I need to provide a synonym for "come back". I was wondering if all of the above-mentioned words are synonymous with "come back".

    1. sonar uses waves that are sent out and return with a frequency when they bounce off objects.
    2. Bats send out waves that are reflected back by trees, etc.
    3. when the waves bounce off objects and come back to the bats, the waves are a different frequency.
    The sentences would all be grammatically correct if 1 and 3 began with capital letters. Sentences 1 and 3 are not scientifically correct, though. In sentence 1, "return with a frequency" doesn't mean anything because all sound waves have one or more frequencies. In sentence 3, the sound waves don't change frequency unless the objects they bounce off are moving towards or away from the sonar device.
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    #6

    Re: bounce off, reflect back, return, come back

    Quote Originally Posted by GoesStation View Post
    The sentences would all be grammatically correct if 1 and 3 began with capital letters. Sentences 1 and 3 are not scientifically correct, though. In sentence 1, "return with a frequency" doesn't mean anything because all sound waves have one or more frequencies. In sentence 3, the sound waves don't change frequency unless the objects they bounce off are moving towards or away from the sonar device.


    I see. This has been taken from a book. By the way, the third sentence is not related to sonar devices but to bats. So which of the above mentioned words can be considered as synonyms for "come back" ?
    Last edited by Venus.jam; 06-Dec-2016 at 05:39.

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    #7

    Re: bounce off, reflect back, return, come back

    Quote Originally Posted by Venus.jam View Post
    I need to provide a synonym for "come back". I was wondering if all of the above-mentioned words are synonymous with "come back".

    1. sonar uses waves that are sent out and return with a frequency when they bounce off objects.
    2. Bats send out waves that are reflected back by trees, etc.
    3. when the waves bounce off objects and come back to the bats, the waves are a different frequency.
    Quote Originally Posted by Venus.jam View Post
    I see. This has been taken from a book. By the way, the third sentence is not related to sonar devices but to bats. So which of the above mentioned words can be considered as synonyms for "come back" ?
    If you've quoted the book exactly, you should discard it. It's carelessly written and incorrect.

    You could replace return with "come back".
    I am not a teacher.

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    #8

    Re: bounce off, reflect back, return, come back

    Quote Originally Posted by Venus.jam View Post
    This has been taken from a book.
    In future threads, please tell us the title and author of any book you are quoting from in post #1.

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