Coherent sources are characterized by the same
Easy
Download our app for free and get started
(d) Because in general phase velocity = wave velocity. But in case of complex waves (many waves together) phase velocity $ \ne $ wave velocity.
$\therefore $ If two waves have same $\lambda ,v;$ then they have same frequency too
$\therefore $ If two waves have same $\lambda ,v;$ then they have same frequency too
Download our appand 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
- 1The velocity of sound in a gas. in which two wavelengths $4.08\,m$ and $4.16\,m$ produce $40$ beats in $12\,s$, will be ..............$ms ^{-1}$View Solution
- 2Assume that the displacement$(s)$ of air is proportional to the pressure difference $(\Delta p)$ created by a sound wave. Displacement$(s)$ further depends on the speed of sound $(v),$ density of air $(\rho)$ and the frequency $(f)$ If $\Delta p \approx 10\, Pa , v \approx 300\, m / s , p \approx 1\, kg / m ^{3}$ and $f \approx 1000 \,Hz$, then $s$ will be the order ofView Solution
(take multiplicative constant to be $1$ )
- 3The displacement $y$ of a wave travelling in the x-direction is given by $y = {10^{ - 4}}\sin \,\,\left( {600t - 2x + \frac{\pi }{3}} \right)$ metres, where $x$ is expressed in metres and $t$ in seconds. The speed of the wave-motion, in ..... $ms^{-1}$, isView Solution
- 4Two closed organ pipes of length $100\,cm$ and $101\,cm$ long give $16$ beats in $20\,sec$ when each pipe is sounded in fundamental mode. Calculate velocity of sound .... $ms^{-1}$View Solution
- 5If the ratio of amplitude of two waves is $4 : 3$. Then the ratio of maximum and minimum intensity will beView Solution
- 6View SolutionStanding stationary waves can be obtained in an air column even if the interfering waves are
- 7A plane wave is represented by $x = 1.2\sin (314\,t + 12.56y)$Where $x$ and $y$ are distances measured along in $x$ and $y$ direction in meters and $t$ is time in seconds. This wave hasView Solution
- 8A closed organ pipe and an open pipe of same length produce $4$ beats when they are set into vibrations simultaneously. If the length of each of them were twice their initial lengths, the number of beats produced will beView Solution
- 9Two identical flutes produce fundamental notes of frequency $300 Hz$ at ${27^o} C.$ If the temperature of air in one flute is increased to ${31^o}$C, the number of the beats heard per second will beView Solution
- 10A 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 beView Solution