The Doppler's effect is applicable for
Easy
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 tension in a piano wire is $10N$. What should be the tension in the wire to produce a note of double the frequency .... $N$View Solution
- 2A body sends waves $100\, mm$ long through medium $A$ and $0.25\, m$ long in medium $B$. If the velocity of waves in medium $A$ is $80\, cms^{-1}$. The velocity fo waves in medium $B$ is .... $ms^{-1}$View Solution
- 3An observer receives waves directly from a source of sound distant $120\,m$ in a big hall. He also receives waves reflected from the mid-point of $25\,m$ high ceiling. The wavelength of sound for constructive interference to take place between two waves, must be :View Solution
- 4Two sound waves having a phase difference of $60°$ have path difference ofView Solution
- 5The equation of a transverse wave is given by $y = 100\,\sin \pi (0.04z - 2t)$ where $y$ and $z$ are in $cm$ and $t$ is in seconds. The frequency of the wave in $Hz$ isView Solution
- 6Two waves have equations $x_1=a \sin \left(\omega t+\phi_1\right)$ and $x_2=a \sin \left(\omega t+\phi_2\right)$. If in the resultant wave the frequency and amplitude remain equal to amplitude of superimposing waves, the phase difference between them is ........View Solution
- 7One end of a string of length $L$ is tied to the ceiling of a lift accelerating upwards with an acceleration $2g$. The other end of the string is free. The linear mass density of the string varies linearly from $0$ to $\lambda$ from bottom to top.View Solution
- 8A sound wave of frequency $245 \,Hz$ travels with the speed of $300\, ms ^{-1}$ along the positive $x$-axis. Each point of the wave moves to and fro through a total distance of $6 \,cm$. What will be the mathematical expression of this travelling wave ?View Solution
- 9A sound absorber attenuates the sound level by $20\ dB$. The intensity decreases by a factor ofView Solution
- 10View SolutionIn stationary waves, antinodes are the points where there is