waves

Related Questions

• A wave is reflected from a rigid support. The change in phase on reflection will be

  ---

• When two sound waves with a phase difference of $\pi /2$, and each having amplitude A and frequency $\omega $, are superimposed on each other, then the maximum amplitude and frequency of resultant wave is

  ---

• Two waves having equations ${{x}_{1}}=a\sin (\omega \,t+{{\varphi }_{1}})$, ${{x}_{2}}=a\sin \,(\omega \,t+{{\varphi }_{2}})$. If in the resultant wave the frequency and amplitude remain equal to those of superimposing waves. Then phase difference between them is

  ---

• When a tuning fork A of unknown frequency is sounded with another tuning fork B of frequency 256 Hz, then 3 beats per second are observed. After that A is loaded with wax and sounded, the again 3 beats per second are observed. The frequency of the tuning fork A is

  ---

• What is the base frequency if a pipe gives notes of frequencies 425, 255 and 595 and decide whether it is closed at one end or open at both ends

  ---