Youngs modulus of a string of length `1m` and Density `900Kg/m^3` is `9xx10^9N/m^2`. Find the minimum reasonance frequency in (Hz) can be produced in the string if strain in the string is `4.9xx10^(-4)`.

The Young's modulus of a rubber string 8 cm long and density 1.5kg//m^(3) is 5xx10^(8)N//m^(2) is suspended on the ceiling in a room. The increase in length due to its own weight will be-

Find the frequency of 1 MeV photon . Give wavelength of a 1 KeV photon is 1.24 xx 10^(-9) m

A stone of mass 1 kg tied at the end of a string of length 1 m and is whirled in a verticle circle at a constant speed of 3 ms^(-1) . The tension in the string will be 19 N when the stone is (g=10 ms^(-1))

A piano string 1.5 m long is made of steel of density 7.7 xx 10^(3) kg//m^(3) and gamma = 2 xx 10^(11) N//m^(2) . It is maintained at a tension which produces an elastic strain of 1 % in the string . What is the fundamental frequency of transverse vibration of the string ?

A piano string 1.5 m long is made of steel of density 7.7 xx 10^(3) kg//m^(3) and gamma = 2 xx 10^(11) N//m^(2) . It is maintained at a tension which produces an elastic strain of 1 % in the string . What is the fundamental frequency of transverse vibration of the string ?

The Young's modulus of the material of a wire is 2xx10^(10) N m^(-2) If the elongation strain is 1% then the energy stored in the wire per unit volume is J m^(-3) is

The Young's modulus of the material of a wire is 2xx10^(10) N m^(-2) If the elongation strain is 1% then the energy stored in the wire per unit volume in J m^(-3) is

The breaking stress of steel is 7.85 xx 10^(8) N//m^(2) and density of steel is 7.7 xx 10^(3) kg//m^(3) . The maximum frequency to which a string 1 m long can be tuned is

A stone of mass 5 kg is tied to a string of length 10 m is whirled round in a horizontal circle. What is the maximum speed with which the stone can be whirled around if the string can withstand a maximum tension of 200 N?

The length of a sonometer wire is 0.75 m and density is 9 xx 10^3 kg/ m^3 . It can bear a stress of 8.1 xx 10^8 N/ m^2 without exceeding the elastic limit. Then the fundamental frequency that can be produced in the wire is