172423 A pipe closed at one end has length $1 \mathrm{~m}$ and at its open end, $0.25 \mathrm{~m}$ long uniform string is vibrating in its third harmonic and resonates with fundamental frequency of pipe. If the tension in the string is $100 \mathrm{~N}$ and speed of sound is $340 \frac{\mathrm{m}}{\mathrm{s}}$, then mass of the string is nearly

172424 A wire of radius ' $r$ ', density ' $\delta$ ', stretched between the bridges ' $L$ ' unit apart, is subjected to an extension ' $l$ '. The lowest frequency of transverse vibration in the wire (n) is $\mathrm{Y}=$ Young's modulus of material of the wire

172425 A transverse wave of amplitude $0.05 \mathrm{~m}$ and frequency $250 \mathrm{~Hz}$ is travelling along a stretched string with a speed of $100 \mathrm{~m} / \mathrm{s}$. What would be the displacement of a particle at a distance 1.1 $m$ origin after 0.02 second?$
$\left[\sin \frac{\pi}{2}=1, \cos \frac{\pi}{2}=0\right]$

172426 A sonometer wire of length ' $\ell_{1}$ ' is in resonance with a frequency $250 \mathrm{~Hz}$. If the length of wire is increased to ' $\ell_{2}$ ', then 2 beats per sound are heard. The ratio of lengths $\frac{\ell_{1}}{\ell_{2}}$ of wire will be

172423 A pipe closed at one end has length $1 \mathrm{~m}$ and at its open end, $0.25 \mathrm{~m}$ long uniform string is vibrating in its third harmonic and resonates with fundamental frequency of pipe. If the tension in the string is $100 \mathrm{~N}$ and speed of sound is $340 \frac{\mathrm{m}}{\mathrm{s}}$, then mass of the string is nearly

172424 A wire of radius ' $r$ ', density ' $\delta$ ', stretched between the bridges ' $L$ ' unit apart, is subjected to an extension ' $l$ '. The lowest frequency of transverse vibration in the wire (n) is $\mathrm{Y}=$ Young's modulus of material of the wire

172425 A transverse wave of amplitude $0.05 \mathrm{~m}$ and frequency $250 \mathrm{~Hz}$ is travelling along a stretched string with a speed of $100 \mathrm{~m} / \mathrm{s}$. What would be the displacement of a particle at a distance 1.1 $m$ origin after 0.02 second?$
$\left[\sin \frac{\pi}{2}=1, \cos \frac{\pi}{2}=0\right]$

172426 A sonometer wire of length ' $\ell_{1}$ ' is in resonance with a frequency $250 \mathrm{~Hz}$. If the length of wire is increased to ' $\ell_{2}$ ', then 2 beats per sound are heard. The ratio of lengths $\frac{\ell_{1}}{\ell_{2}}$ of wire will be

172423 A pipe closed at one end has length $1 \mathrm{~m}$ and at its open end, $0.25 \mathrm{~m}$ long uniform string is vibrating in its third harmonic and resonates with fundamental frequency of pipe. If the tension in the string is $100 \mathrm{~N}$ and speed of sound is $340 \frac{\mathrm{m}}{\mathrm{s}}$, then mass of the string is nearly

172424 A wire of radius ' $r$ ', density ' $\delta$ ', stretched between the bridges ' $L$ ' unit apart, is subjected to an extension ' $l$ '. The lowest frequency of transverse vibration in the wire (n) is $\mathrm{Y}=$ Young's modulus of material of the wire

172425 A transverse wave of amplitude $0.05 \mathrm{~m}$ and frequency $250 \mathrm{~Hz}$ is travelling along a stretched string with a speed of $100 \mathrm{~m} / \mathrm{s}$. What would be the displacement of a particle at a distance 1.1 $m$ origin after 0.02 second?$
$\left[\sin \frac{\pi}{2}=1, \cos \frac{\pi}{2}=0\right]$

172426 A sonometer wire of length ' $\ell_{1}$ ' is in resonance with a frequency $250 \mathrm{~Hz}$. If the length of wire is increased to ' $\ell_{2}$ ', then 2 beats per sound are heard. The ratio of lengths $\frac{\ell_{1}}{\ell_{2}}$ of wire will be

172423 A pipe closed at one end has length $1 \mathrm{~m}$ and at its open end, $0.25 \mathrm{~m}$ long uniform string is vibrating in its third harmonic and resonates with fundamental frequency of pipe. If the tension in the string is $100 \mathrm{~N}$ and speed of sound is $340 \frac{\mathrm{m}}{\mathrm{s}}$, then mass of the string is nearly

172424 A wire of radius ' $r$ ', density ' $\delta$ ', stretched between the bridges ' $L$ ' unit apart, is subjected to an extension ' $l$ '. The lowest frequency of transverse vibration in the wire (n) is $\mathrm{Y}=$ Young's modulus of material of the wire

172425 A transverse wave of amplitude $0.05 \mathrm{~m}$ and frequency $250 \mathrm{~Hz}$ is travelling along a stretched string with a speed of $100 \mathrm{~m} / \mathrm{s}$. What would be the displacement of a particle at a distance 1.1 $m$ origin after 0.02 second?$
$\left[\sin \frac{\pi}{2}=1, \cos \frac{\pi}{2}=0\right]$

172426 A sonometer wire of length ' $\ell_{1}$ ' is in resonance with a frequency $250 \mathrm{~Hz}$. If the length of wire is increased to ' $\ell_{2}$ ', then 2 beats per sound are heard. The ratio of lengths $\frac{\ell_{1}}{\ell_{2}}$ of wire will be