lights of wavelength 567.8 nanometers (nm) passes through double slits with separation 23.45 micrometers and falls on a screen. what is the angle in degree on the screen between the center and 1st interference maximum?
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Ответ:
-A note being played on a saxophone
-An opera singer breaking a glass with her voice
-A person pushing a swing at the rate it naturally oscillates back and forth
Explanation:
Resonance describes the phenomena of amplification that occurs when the frequency of a periodically applied force is in harmonic proportion to a natural frequency of the system on which it acts.
In all the stated examples we have system with a natural frequency and a oscillating force being applied in harmonic proportion to the referred natural frequency. In the saxophone the blowing and the position of the fingers in the instrument is done to amplify a certain note, in the case of the opera singer the force of the wave sounds is harmonically proportional with the glass frequency causing it to vibrate harder until it breaks. In the swing case the person's forces is the force in proportion with the swing natural frequency