A lecturer is demonstrating two-slit interference with sound waves. Two speakers are used, 1.9 m apart. The sound frequency is 1220Hz and the speed of sound is 343 m/s. Students sit facing the speakers in a row of sear 5.4 m away. Along the row of students, what is the spacing between the...
Thanks stonebridge for the help, I never thought of using that equation for L. But I'm still coming up short on the right answer. Instead of 0.0127145 cm as my answer, I'm coming up with 0.0165528450 cm. :/ This is so frustrating.
Monochromatic light with a wavelength of 419 nm passes through a single slit and falls on a screen 88 cm away. If the distance of the first-order dark band is 0.29 cm from the center of the pattern, what is the width of the slit?
My knowns are as follows:
L= 88 cm (distance from slit to...
Prove a lens must always be converging if...
Consider a single lens with the object on the left side. Prove that for an upright, enlarged image that the lens must always be converging. I'm assuming my professor wants this to be mathematically proven, but I have no idea how to do so...HELP! I...