waves

Related Questions

• If wavelength of a wave is $\lambda =6000{\AA}.$ Then wave number will be

  ---

• The following equations represent progressive transverse waves <br>${{Z}_{1}}=A\cos (\omega \,t-kx)$<br> ${{Z}_{2}}=A\cos (\omega \,t+kx)$<br> ${{Z}_{3}}=A\cos (\omega \,t+ky)$ and<br> ${{Z}_{4}}=A\cos (2\omega \,t-2ky)$.<br> A stationary wave will be formed by superposing

  ---

• A tuning fork whose frequency as given by manufacturer is 512 Hz is being tested with an accurate oscillator. It is found that the fork produces a beat of 2 Hz when oscillator reads 514 Hz but produces a beat of 6 Hz when oscillator reads 510 Hz. The actual frequency of fork is

  ---

• When an engine passes near to a stationary observer then its apparent frequencies occurs in the ratio 5/3. If the velocity of engine is

  ---

• A string is producing transverse vibration whose equation is $y=0.021\ \sin (x+30t)$, Where x and y are in meters and $t$ is in seconds. If the linear density of the string is $1.3\times {{10}^{-4}}$kg/m, then the tension in the string in $N$ will be

  ---