A rod of length `l=100cm` is fixed at `30cm` from both end. If velocity of transverse wave in rod is `v(cms^(-1))`, then chose the correct option(s)

Question

A rod of length `l=100cm` is fixed at `30cm` from both end. If velocity of transverse wave in rod is `v(cms^(-1))`, then chose the correct option(s)

A rod of length `l=100cm` is fixed at `30cm` from both end. If velocity of transverse wave in rod is `v(cms^(-1))`, then chose the correct option(s)
A. Fundamental frequencey (in Hz) of transverse wave in rod is `v/40`
B. Second overtone in rod will `5^(th)` harmonic
C. Frequency of third overtone (in Hz) is `7v//40`
D. Third overtone is`5^(th)` harmonic

Monjur Alahi

34 views

2025-01-04 04:42

1 Answers

Related Questions

The focal length of a convex lens is `30cm` and the size of the real image is `(1)/(4)th` of the object. Then the object distance is

2 Answers 4 Views

In a biprism experiment with sodium light,bands of width `0.0195cm` are observed at`100cm` from slit.On introducing a convex lens `30cm` away from the

2 Answers 5 Views

For the matrices \( A \) and \( B \), verify that \( ( AB )^{\prime}= B ^{\prime} A ^{\prime} \), where (1) \( A=\left[\begin{array}{c}1 \\ -4 \\ 3\end{array}\right], B=\left[\begin{array}{lll}-1 & 2 & 1\end{array}\right] \) (ii) \( A=\left[\begin{array}{l}0 \\ 1 \\ 2\end{array}\right], B=\left[\begin{array}{lll}1 & 5 & 7\end{array}\right] \)

2 Answers 4 Views

A Hydrogen gas and a helium gas each having volume `100cm^(3)` at `NTP` are enclosed in separate containers. Choose the correct option(s)

1 Answers 4 Views

A string of length `50 cm` and mass `12.5 g` is fixed at both ends. A pipe closed at one end has a length `85 cm`. When the string vibrates in its sec

1 Answers 4 Views

One end of thin aluminium rod (cross -sectional Area `=10^(-6)m^(2)`) is bult welded to the end of copper rod with same diameter. Both rods are very l

2 Answers 4 Views

A slender rod is hinged at its top end and hanging freely in a vertical position. A tiny ball, moving horizontally, hits the lower end of the rod elas

2 Answers 4 Views

A steel rod of length L, density d and cross-sectional area A, is hinged at one end so that it can rotate freely in a vertical plane. The rod is relea

2 Answers 9 Views

A ball of radius `R=100cm` is located in the way of propagation of a plane sound wave. The sonic wavelength is `lambda=2cm`, the frequency is `v=100pi

2 Answers 7 Views

The plano-convex lens of focal length `20cm` and `30cm` are placed together to form a double convex lens. The final length will be

2 Answers 6 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A::B::C
`(mlamda)/2=40`
`(n+1/2) (lamda)/2=30`
`((2n+1))/m=6/4implies=m=((2n+1))/3`
`n=1 m=2, lamda=40 cm`
`n=4, m-6, v=flamdaimpliesf//40=f_(0)`
`n=7, m=10`
`lamda=8` second overtone
`n=10m m=14`
`lamda=40/7impliesf_(3)=(7v)/40`

34 views Answered 2023-02-05 15:29