Find the velocity of a transverse wave along a string of linear density `3.6 X 10^-3 kg//m ` when it is under a tension of `1.8 kg-wt. g = 9.8 m/s^2 `

The speed of a transverse wave, on a string of density 100 kg//m^3 and area of cross-section 10 mm^2 under a tension of 10^3 N, is

Velocity of transverse wave travelling through a string having tension 25 N and linear density 1 kg/m is

Find the density of steel if its relative density is 8 and the density of water is 10^3 kg//m^3

The speed of a transverse wave along a uniform metal wire, when it is under a tension of 1000 g wt is 68m/s .If the density of metal is 7900 kg/m^3 , find the area of cross section of the wire.

A capillary tube of radius 5 xx 10^-4 m is immersed in a beaker filled with mercury. The mercury level inside the tube is found to be 8 xx 10^-3 m below the level of reservoir. Determine the angle of contact between mercury and glass. Surface tension of mercury is 0.465 N//m and its density is 13.6 xx 10^3 kg//m^3 . (g= 9.8 m//s^2 )

If the velocity of sound wave in a medium of density 2200 kg//m^3 is 4 km//s . The modulus of elasticity of the medium is

Practice problems : Calculate relative density of a metal having density 38.8 x 10^3 kg/m^3 , if density of water is 10^3 kg/m^3 .

The surface tension of water is 7 xx 10^(-2) N/m . Find the height at which water rises in a capillary tube of glass having a bore of uniform radius 0.2 mm. (Density of water = 1000 kg /m^3 , acceleration due to gravity = 9.8 m /s^2 )

A stone of mass 1 kg is whirled in horizontal circle attached at the end of a 1 m long string. If the string makes an angle of 30^@ with vertical, calculate the centripetal force acting on the stone. (g = 9.8 m/s^2)

Calculate the R.M.S. velocity of oxygen molecules at N.T.P. (Density of oxygen at N.T.P.= 1.43 kg/m^3 , Density of mercury = 13600 kg /m^3 , g = 9.8 m/s^2 , Normal atmospheric pressure = 76 cm of Hg )