A sine wave of wavelength λ is travelling in a medium. minimum distance between two particles, alwa

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14.Waves and Sound

easy

A sine wave of wavelength $\lambda $ is travelling in a medium. The minimum distance between the two particles, always having same speed, is

$\frac{\lambda }{4}$

$\frac{\lambda }{3}$

$\frac{\lambda }{2}$

$\lambda $

Solution

In a sine wave particles that are separated by a distance of odd multiple of half the wave length move with same speed and but in opposite direction. The minimum separation is $\frac{\lambda}{2}$

Standard 11

Physics

A device used for investigating the vibration of a fixed string or wire is

easy

A string is stretched between fixed points separated by $75.0\,\, cm.$ It is observed to have resonant frequencies of $420\,\, Hz$ and $315\,\, Hz$. There are no other resonant frequencies between these two. The lowest resonant frequency for this string is …. $Hz$

medium

(AIPMT-2015)

A string is clamed at both the ends and it is vibrating in its $4^{th}$ harmonic. The equation of the stationary wave is $Y =0.3\,sin\,(0.157\,x) \,cos\,(200\pi t)$. The length of the string is ….. $m$ (all quantities are in $SI$ units)

medium

(JEE MAIN-2019)

In an experiment with sonometer a tuning fork of frequency $256 Hz$ resonates with a length of $25 cm$ and another tuning fork resonates with a length of $16 cm$. Tension of the string remaining constant the frequency of the second tuning fork is …. $Hz$

medium

The length of the string of a musical instrument is $90 \;cm$ and has a fundamental frequency of $120 \;Hz$. Where (In $cm$) should it be pressed to produce fundamental frequency of $180 \;Hz ?$

medium

(NEET-2020)

A sine wave of wavelength $\lambda $ is travelling in a medium. The minimum distance between the two particles, always having same speed, is

Solution

Similar Questions

A device used for investigating the vibration of a fixed string or wire is

A string is stretched between fixed points separated by $75.0\,\, cm.$ It is observed to have resonant frequencies of $420\,\, Hz$ and $315\,\, Hz$. There are no other resonant frequencies between these two. The lowest resonant frequency for this string is …. $Hz$

A string is clamed at both the ends and it is vibrating in its $4^{th}$ harmonic. The equation of the stationary wave is $Y =0.3\,sin\,(0.157\,x) \,cos\,(200\pi t)$. The length of the string is ….. $m$ (all quantities are in $SI$ units)

In an experiment with sonometer a tuning fork of frequency $256 Hz$ resonates with a length of $25 cm$ and another tuning fork resonates with a length of $16 cm$. Tension of the string remaining constant the frequency of the second tuning fork is …. $Hz$

The length of the string of a musical instrument is $90 \;cm$ and has a fundamental frequency of $120 \;Hz$. Where (In $cm$) should it be pressed to produce fundamental frequency of $180 \;Hz ?$

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