If the tension of sonometer’s wire increases four times then the fundamental frequency of the wire will increase by .... $ times$
$2$
$4$
$0.5$
None of the above
(a) $n \propto \sqrt T $
The tension of a stretched string is increased by $69\%$. In order to keep its frequency of vibration constant, its length must be increased by ….. $\%$
The given diagram shows three light pieces of paper placed on a wire that is stretched over two supports, $Q$ and $R$ , a distance $4x$ apart. When the wire is made to vibrate at a particular frequency, all the pieces of paper, except the middle one, fall off the wire. Which of the following could be the wavelength of the vibration?
A tuning fork and a sonometer wire were sounded together and produce $4$ beats per second. When the length of sonometer wire is $95 cm$ or $100 cm,$ the frequency of the tuning fork is ….. $Hz$
A device used for investigating the vibration of a fixed string or wire is
The length of the wire shown in figure between the pulleys is $1.5\, m$ and its mass is $12.0\,g$. The frequency of vibration with which the wire vibrates in three loops forming antinode at the mid point of the wire is $(g = 9.8 \,m/s^2)$
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