$Assertion :$ For the formation of stationary waves the medium must be bounded having definite boundaries.
$Reason :$ In the stationary wave, some particles of the medium remain permanently at rest.
$Reason :$ In the stationary wave, some particles of the medium remain permanently at rest.
AIIMS 2010, Medium
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
- 1A plane progressive wave is represented by the equation $y = 0.1\sin \left( {200\pi t - \frac{{20\pi x}}{{17}}} \right)$ where y is displacement in $m$, $ t$ in second and $x$ is distance from a fixed origin in meter. The frequency, wavelength and speed of the wave respectively areView Solution
- 2If $T$ is the reverberation time of an auditorium of volume $V$ thenView Solution
- 3Two points on a travelling wave having frequency $500\, Hz$ and velocity $300\, m/s$ are $60^o$ out of phase, then the minimum distance between the two points is ..... $m$View Solution
- 4The speed of a wave in a certain medium is $960\, m/s$. If $3600$ waves pass over a certain point of the medium in $1\, minute$, the wavelength is .... $metres$View Solution
- 5A tuning fork of known frequency $256\,Hz$ makes $5$ beats per second with the vibrating string of a piano. The beat frequency decreases to $2$ beats per second when the tension in the piano string is slightly increased. The frequency of the piano string before increasing the tension wasView Solution
- 6A progressive wave travelling in positive $x$-direction given by $y=a \cos (k x-\omega t)$ meets a denser surface at $x=0, t=0$. The reflected wave is then given byView Solution
- 7Intensity level $200 cm$ from a source of sound is $80 dB$. If there is no loss of acoustic power in air and intensity of threshold hearing is ${10^{ - 12}}W{m^{ - 2}}$ then, what is the intensity level at a distance of $400 cm$ from source .... $dB$View Solution
- 8Tuning fork ${F_1}$ has a frequency of $256 Hz$ and it is observed to produce $6$ beats/second with another tuning fork ${F_2}$. When ${F_2}$ is loaded with wax, it still produces $6$ beats/second with ${F_1}$. The frequency of ${F_2}$ before loading was ..... $Hz$View Solution
- 9A source of sound of frequency $600 Hz$ is placed inside water. The speed of sound in water is $1500 m/s$ and in air is $300 m/s.$ The frequency of sound recorded by an observer who is standing in air is .... $Hz$View Solution
- 10View SolutionAn observer is moving towards the stationary source of sound, then