If the wave equation $y = 0.08\sin \frac{{2\pi }}{\lambda }(200t - x)$ then the velocity of the wave will be
  • A$400\sqrt 2 $
  • B$200\sqrt 2 $
  • C$400$
  • D$200$
Easy
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 second harmonic has to be generated in a string of length $l$ stretched between two rigid supports. The point where the string has to be plucked and touched are
    View Solution
  • 2
    A fork of frequency $256\, Hz$ resonates with a closed organ pipe of length $25.4\, cm$. If the length of pipe be increased by $2\, mm$, the number of beats/sec. will be
    View Solution
  • 3
    If the initial tension on a stretched string is doubled, then the ratio of the initial and final speeds of a transverse wave along the string is :
    View Solution
  • 4
    A sinusoidal progressive wave is generated in a string. It’s equation is given by $y = (2\,\, mm) sin (2\pi x - 100 \pi t + \pi /3)$. The time when particle at $x = 4$ $m$ first passes through mean position, will be
    View Solution
  • 5
    A string fixed at its both ends vibrates in $5\,\,loops$  as shown in the figure  

    The total number of nodes and antinodes are respectively

    View Solution
  • 6
    A wave is given by $y = 3\sin 2\pi \left( {\frac{t}{{0.04}} - \frac{x}{{0.01}}} \right)$, where $y$ is in $cm$. Frequency of wave and maximum acceleration of particle will be
    View Solution
  • 7
    The displacement of a particle is given by $x = 3\sin (5\pi \,t) + 4\cos (5\pi \,t)$The amplitude of the particle is
    View Solution
  • 8
    A signal of $0.1\, kW$ is transmitted in a cable. The attenuation of cable is $-5 \,dB$ per $km$ and cable length is $20\, km$. The power received at receiver is $10^{-x} \, W$. The value of $x$ is ....... .

    $\left[\right.$ Gain in $\left. dB =10 \log _{10}\left(\frac{ P _{0}}{ P _{i}}\right)\right]$

    View Solution
  • 9
    Fundamental frequency of pipe is $100 Hz$ and other two frequencies are $300 Hz$ and $500 Hz$ then
    View Solution
  • 10
    A train moves towards a stationary observer with speed $34 m/s$. The train sounds a whistle and its frequency registered by the observer is ${f_1}$. If the train’s speed is reduced to $17\, m/s$, the frequency registered is ${f_2}$. If the speed of sound is 340 m/s then the ratio ${f_1}/{f_2}$ is
    View Solution