Question 1
What is the condition for two waves to produce a stable interference pattern?
Question 2
In a standing wave, what is the relationship between the wavelength ($\lambda$) and the length of the string ($L$) for the second harmonic?
Question 3
If two sound waves with frequencies $f_1 = 500 \text{ Hz}$ and $f_2 = 505 \text{ Hz}$ interfere, what is the beat frequency?
Question 4
Which of the following describes the phenomenon of beats?
Question 5
In Young's double-slit experiment, if the distance between the slits is increased, what happens to the fringe spacing?
