Blog categorized as waves

Q- Two speakers are driven by the same oscillator with frequency f. They are located a distance d from each other on a vertical pole. A receiver initially at a distance L moves straight toward the pole along the horizontal line through lower speaker. (a) How many times it records minimum intensity o...

Q- The vibrations of a string of length 60 cm fixed at both ends are represented by the equation 

                y  = 4 sin (π x/15) cos (96 π t)  

(here x and y are in cm and t in seconds) 

(a)  What is the maximum displa...