waves

Related Questions

• 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

  ---

• Two tuning forks have frequencies 450 Hz and 454 Hz respectively. On sounding these forks together, the time interval between successive maximum intensities will be

  ---

• An organ pipe, open from both end produces 5 beats per second when vibrated with a source of frequency 200 Hz. The second harmonic of the same pipes produces 10 beats per second with a source of frequency 420 Hz. The frequency of source is

  ---

• A whistle sends out 256 waves in a second. If the whistle approaches the observer with velocity 1/3 of the velocity of sound in air, the number of waves per second the observer will receive

  ---

• Velocity of sound measured in hydrogen and oxygen gas at a given temperature will be in the ratio

  ---