Physics Please check my answers

1. Complete reflection is the special case of refraction at an angle of 180.

True.

False.


2. A resonant frequency is the same as a natural frequency.
True.

False.

3. For a standing wave, the number of segments is an integer equal to the number of half-wavelengths.
True.

False.

4. When a stretched string is oscillating in its third harmonic, the length of the string is 1.5 wavelengths.
True.

False.

5. Each string of a musical instrument vibrates only at its fundamental frequency.
True.

False.

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asked by Chelsea
  1. Sorry, I forgot to put my answers in.

    1. Complete reflection is the special case of refraction at an angle of 180.

    True. <<

    False.


    2. A resonant frequency is the same as a natural frequency.
    True. <<

    False.

    3. For a standing wave, the number of segments is an integer equal to the number of half-wavelengths.
    True.

    False. <<

    4. When a stretched string is oscillating in its third harmonic, the length of the string is 1.5 wavelengths.
    True. <<

    False.

    5. Each string of a musical instrument vibrates only at its fundamental frequency.
    True. <<

    False.

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    2. 0
    posted by Chelsea
  2. all right expect

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    2. 0
    posted by Matt

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