The resultant amplitude due to superposition of two waves $y_1 = 5\,\,sin (wt - kx)$ and $y_2 = -5 \,\,cos (wt - kx - 150^o)$
  • A$5$
  • B$5\sqrt 3 $
  • C$5\sqrt {2 - \sqrt 3 }$
  • D$5\sqrt {2 + \sqrt 3 }$
Medium
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    $A$ source $S$ of frequency $f_0$ and an observer $O$, moving with speeds $v_1$ and $v_2$ respectively, are movinng away from each other. When they are separated by distance a $(t =0)$, a pulse is emitted by the source. This pulse is received by $O$ at time $t_1$ then $t_1$, is equal to
    View Solution
  • 2
    If the temperature of the atmosphere is increased the following character of the sound wave is effected
    View Solution
  • 3
    Two tuning forks have frequencies $380$ and $384 Hz$ respectively. When they are sounded together, they produce $4$ beats. After hearing the maximum sound, how long will it take to hear the minimum sound .... $\sec$
    View Solution
  • 4
    What will be the wave velocity, if the radar gives $54$ waves per min and wavelength of the given wave is $10\, m$  ......  $m/sec$
    View Solution
  • 5
    Unlike a laboratory sonometer, a stringed instrument is seldom plucked in the middle. Supposing a sitar string is plucked at about $\frac{1}{4}$th of its length from the end. The most prominent harmonic would be
    View Solution
  • 6
    Three waves of equal frequency having amplitudes $10\mu m,$ $4\mu m,$ $7\mu m$ arrive at a given point with successive phase difference of $\frac{\pi }{2},$ the amplitude of the resulting wave in $\mu m$ is given by
    View Solution
  • 7
    For a transverse wave travelling along a straight line, the distance between two peaks (crests) is $5 \,m ,$ while the distance between one crest and one trough is $1.5 \,m$ The possible wavelengths (in $m$ ) of the waves are
    View Solution
  • 8
    A source emits a sound of frequency of $400 Hz$, but the listener hears it to be $390 Hz.$ Then
    View Solution
  • 9
    A wave is represented by the equation $y = 10 sin \,\,2\pi \,\,(100t-0.02x) + 10 \,\,sin \,\,2\pi\,\, (100t+0.02x)$. The maximum amplitude and loop length are respectively
    View Solution
  • 10
    An air column in a pipe, which is closed at one end, will be in resonance wtih a vibrating tuning fork of frequency $264\, Hz$ if the length of the column in $cm$ is (velocity of sound $= 330\, m/s$)
    View Solution