Which of the following is the example of transverse wave
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Examples of transverse waves include vibrations on a string and ripples on the surface of water.
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The frequency of echo will be $.......Hz$ if the train blowing a whistle of frequency $320\,Hz$ is moving with a velocity of $36\,km / h$ towards a hill from which an echo is heard by the train driver. Velocity of sound in air is $330\,m / s$.
An Indian submarine and an enemy submarine move towards each other during maneuvers in motionless water in the Indian ocean. The Indian submarine moves at $50 km/h$, and the enemy submarine at $70 km/h$. The Indian sub sends out a sonar signal (sound wave in water) at $1000 Hz$. Sonar waves travel at $5500 km/h$. What is the frequency detected by the Indian submarine .... $kHz$
In a sonometer wire, the tension is maintained by suspending a $50.7 kg$ mass from the free end of the wire. The suspended mass has a volume of $ 0.0075 \, m^3$. The fundamental frequency of the wire is $260 Hz$. If the suspended mass is completely submerged in water, the fundamental frequency will become .... $Hz$ (take $g = 10 ms^{-2}$)
An air column, closed at one end and open at the other, resonates with a tuning fork when the smallest length of the column is $50\, cm.$ The next larger length of the column resonating with the same tuning fork is .... $cm$
Two sitar strings, $A$ and $B,$ playing the note $'Dha'$ are slightly out of tune and produce beats and frequency $5\,Hz.$ The tension of the string $B$ is slightly increased and the beat frequency is found to decrease by $3\,Hz$ . If the frequency of $A$ is $425\,Hz,$ the original frequency of $B$ is ... $Hz$
A one metre long (both ends open) organ pipe is kept in a gas that has double the density of air at $STP$. Assuming the speed of sound in air at $STP$ is $300\; \mathrm{m} / \mathrm{s}$, the frequency difference between the fundamental and second harmonic of this pipe is ___ $\mathrm{Hz}$
The equation of progressive wave is $y = 0.2\sin 2\pi \left[ {\frac{t}{{0.01}} - \frac{x}{{0.3}}} \right]$, where $x$ and $y$ are in metre and $t$ is in second. The velocity of propagation of the wave is .... $m/s$
A source of sound of frequency $n$ is moving towards a stationary observer with a speed $S.$ If the speed of sound in air is $V$ and the frequency heard by the observer is ${n_1}$, the value of ${n_1}/n$ is
The disturbance $y (x, t)$ of a wave propagating in the positive. $x-$ direction is given by $y = \frac{1}{{1 + {x^2}}}$ at time $t\,= 0$ and by $y = \frac{1}{{\left[ {1 + {{\left( {x - 1} \right)}^2}} \right]}}$ at $t\, = 2\, s$, where $x$ and $y$ are in meters. The shape of the wave disturbance does not change during the propagation. The velocity of wave in $m/s$ is