Waves Test - 32...

Two waves are represented by y₁ = A Sin t and y₂ = A Cos t. The phase of the first wave, w.r.t. to the second wave is ……….

If two antinodes and three nodes are formed in a distance of 1.21 Å, then the wavelength of the stationary wave is ……….

The function sin² (ω)t represents

If two almost identical waves having frequencies n₁ and n₂, produced one after the other superposes then the time interval to obtain a beat of maximum intensity is ……..

When two sound waves having amplitude A , angular frequency ù and a phase difference of π/2 superposes, the maximum amplitude and angular frequency of the resultant wave is ………

A string of length 70 cm is stretched between two rigid supports. The resonant frequency for this string is found to be 420 Hz and 315 Hz. If there are no resonant frequencies between these two values, then what would be the minimum resonant frequency of this string?

Sound waves propagates with a speed of 350 m/s through air and with a speed of 3500 m/s through brass. If a sound wave having frequency 700 Hz passes from air to brass, then its wavelength ………….

A transverse wave is represented by y = A Sin (ωt – kx). For what value of its wavelength will the wave velocity be equal to the maximum velocity of the particle taking part in the wave propagation?

Two mono atomic ideal gases 1 and 2 has molecular weights m₁ and m₂. Both are kept in two different containers at the same temperature. The ratio of velocity of sound wave in gas 1 and 2 is ……….