Which of the following statements is correct?
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
- 1A student determines the velocity of sound with the help of a closed organ pipe. If the observed length for fundamental frequency is $24.7 m$, the length for third harmonic will be .... $cm$View Solution
- 2If the tension and diameter of a sonometer wire of fundamental frequency $n$ are doubled and density is halved then its fundamental frequency will becomeView Solution
- 3Two factories are sounding their sirens at $800\, Hz$ . A man goes from one factory to other at a speed of $2\,m/s$. The velocity of sound is $320\, m/s$. The number of beats heard by the person in one second will beView Solution
- 4A tuning fork gives $5$ beats with another tuning fork of frequency $100\,Hz.$ When the first tuning fork is loaded with wax, then the number of beats remains unchanged, then what will be the frequency of the first tuning fork ..... $Hz$View Solution
- 5The echo of a gun shot is heard $8\, sec$. after the gun is fired. How far from him is the surface that reflects the sound .... $m$ (velocity of sound in air $= 350 \,m/s$)View Solution
- 6Two tuning forks $A$ and $B$ produce $8\ beats/s$ when sounded together. A gas column $37.5\ cm$ long in a pipe closed at one end resonate to its fundamental mode with fork $A$ whereas a column of length $38.5\ cm$ of the same gas in a similar pipe is required for a similar resonance with fork $B$. The frequencies of these two tuning forks, areView Solution
- 7The equation for spherical progressive wave is (where $r$ is the distance from the source)View Solution
- 8A sound absorber attenuates the sound level by $20\ dB$. The intensity decreases by a factor ofView Solution
- 9A 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
- 10Two 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