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- Problem 3352. A physics teacher is giving a demonstration with two tuning forks that have similar frequencies. The two sounds waves interfere to produce an off-tune sound. This phenomenon help musicians tune their instruments to the sound of a tuning fork struck on their knee. What sound the concept is the teacher demonstrating? A. beatsB. ResonanceC. Speed of SoundD. ReflectionIn a pond two Water Skeeterbugs are taping their antennae on the water surface simultaneously and in sync. They create identical continuous waves with wavelength of 0.87 meters. A leaf is also floating on the pond and 0.45 meters away from the first Water Skeeterbug and 2.4075 m away from the second one.a. What is the path length difference from both sources of waves to the leaf? (in meters) b. What is the path length difference in terms of wavelengths? (in λ)c. Is the leaf sitting on a line of destructive or constructive interference? Explain.
- O COLOR THEME Q Q ZOOM + QUESTION GUIDE 5 EXI ADD NOTE 1. When a mechanical wave encounters the boundary between two media - all of the wave energy is reflected back into the first medium some of the wave energy is reflected back into the first medium, and some of the wave energy is transmitted into the new medium all of the wave energy is transmitted into the new medium the wave does not change CLEAR ALL Unanswered ( PREVIOUS O 02 4. 6 7 8. 9. 10 NEXT > REVIEW & SUBM O Truth (1).docx O Truth.docx O The Quest_for_Fr...docx Show all 941 AM P Type here to search 3/11/2021 DELL F4 F6 F9 F10 F11 F12 Home EncA sound technician is testing the sound acoustics in a theatre for an upcoming music concert. He sets up speakers in different locations and tests the sound levels in various seats in the theater. As he moves down the aisles of the theatre, he notices the pitch of the music gets lower. Which description best explains why the pitch gets lower as the technician moves away from the speakers in the theater? a Diffraction between speakers b Interference of sound waves c Decrease in wave frequency d Increase in wave frequencyDetermine the value of Ceq in the following equation if C₁ = 4.00 μF, C₂ = 6.50 μF, and C3 = 7.20 μF. 1 1 1 1 + catata Cea = MF + C3
- Please help thank you! Required info: Under favorable conditions, the human eye can detect light waves with intensities as low as 2.50 x10^-12 W/m2. a) At this intensity, what is the average power incident on a pupil of diameter 8.20 mm? b) if this light is produced by an isotropic source 15.7 m away, what is the average power emitted by the source?Yellow light (5.16x1014 Hz) passes from air to diamond. What is the wavelength of this light in air? What is the wavelength in diamond?The figure below shows two waves that occupy the same point in space. Copy the sketch into a sheet of paper using the dimensions indicated. Draw the wave that results from the interference of these two waves.
- Dolphins can use sonar to detect objects in the sea. How far away is the object from the dolphin if the sonar takes .02 sec to be returned? Sound travels at 1484 m/s in sea water. 60 m 30 m 15 m 7.5 mWhich of the following statements are correct? Which one or more? a. Steven's power law states that loudness is proportional to I1/3 b. Weber's law states that the smallest detectable change in the sound stimulus for a wideband or bandpass filtered noise is proportional to its magniture c. Steven's power law states that the smallest detectable change in the sound stimulus for a wideband or bandpass filtered noise is inversely proportional to its magniture d. Weber's law states that loudness is inversley proportional to I1/3Which picture (A, B, or C) would best show the student listening to a high-pitched sound? Explain your reasoning. A B 1)E с