i. Open the PheT Wave Interference" lab by typing the following link into your web browser: bit.1y/2U2tQVw or https://phet.colorado.edu/sims/html/wave-interference/latest/wave-interference_en.htmlil. Select the "Interference" option.iii. Select the "Slow" option.iv. Select the Sound wave option by clicking the speaker.v. Drag the pressure sensor above the grey window.vi. Don't adjust the variables (mid-level frequency, max amplitude, and separation 200 cm.)vii. Turn on each speaker by hitting the green buttons.viii. Play with the pressure sensor by moving a sensor around the window and observing the screen on the sensor.

observing the scr a) Draw an arrow that points to an area of destructive interference: FIGURE 1: IMAGE TAKEN FROM PHET INTERACTIVE SIMULATIONS: UNIVERSITY OF COLORADO BOULDER ADLC All Rights Reserv b) How is destructive interference created in this scenario? (Use the words crest, trough, and wave.) (2) the c) What is the wavelength of the sound waves emitted by the speakers