A steel wire of length 60 cm and area of cross section `10^(-6)m^(2)` is joined with a n aluminimum wire of length 45 cm and are of cross section `3xx10^(-6)m^(2)`. The composite string is stretched by a tension of 80 N. Density of steel is `7800kgm^(-3)` and that of aluminimum is `2600kgm^(-3)` the minimum frequency of tuning fork. Which can produce standing wave in it with node at joint is

A steel wire of length 60 cm and area of cross section 10^(-6)m^(2) is joined with a n aluminium wire of length 45 cm and are of cross section 3xx10^(-6)m^(2) . The composite string is stretched by a tension of 80 N. Density of steel is 7800kgm^(-3) and that of aluminium is 2600kgm^(-3) the minimum frequency of tuning fork. Which can produce standing wave in it with node at joint is

A steel wire of length 60 cm and area of cross section 10^(-6)m^(2) is joined with a n aluminium wire of length 45 cm and are of cross section 3xx10^(-6)m^(2) . The composite string is stretched by a tension of 80 N. Density of steel is 7800kgm^(-3) and that of aluminium is 2600kgm^(-3) the minimum frequency of tuning fork. Which can produce standing wave in it with node at joint is

A steel wire of length 2.5 m and area of cross section 1.25 mm^(2) , when it is stretched by a force of 40 N and Y for steel is 2xx10^(11)N//m^(2) . The extension produced in a steel wire is

A steel wire of length 80 cm and of area of cross section 1.5 mm^(2) is stretched. Find the work done in increasing its length from 80.2 cm to 80.3 cm. (Y=2.0xx10^(11)Nm^(-2))

Figure shows an aluminium wire of length 60 cm joined to a steel wire of length 80 cm and stretched between two fixed supports. The tension produced is 40 N . The cross-sectional area of the steel wire is 1.0 mm^(2) and that of the aluminimum wire is 3.0 mm^(2) The minimum frequency of a tuning fork which can produce standing waves in the system with the joint as a node is 10P (in Hz ) the find P . Given density of aluminimum is 2.6 g//cm^(3) and that of steel is 7.8 g//cm^(3) .

Figure shows an aluminium wire of length 60 cm joined to a steel wire of length 80 cm and stretched between two fixed supports. The tension produced is 40 N . The cross-sectional area of the steel wire is 1.0 mm^(2) and that of the aluminimum wire is 3.0 mm^(2) The minimum frequency of a tuning fork which can produce standing waves in the system with the joint as a node is 10P (in Hz ) the find P . Given density of aluminimum is 2.6 g//cm^(3) and that of steel is 7.8 g//cm^(3) .

Figure shows an aluminium wire of length 60 cm joined to a steel wire of length 80 cm and stretched between two fixed supports. The tension produced is 40 N . The cross-sectional area of the steel wire is 1.0 mm^(2) and that of the aluminimum wire is 3.0 mm^(2) The minimum frequency of a tuning fork which can produce standing waves in the system with the joint as a node is 10P (in Hz ) the find P . Given density of aluminimum is 2.6 g//cm^(3) and that of steel is 7.8 g//cm^(3) .

A steel wire fo length 5m and cross-sectional area 2xx10^(-6)m^(2) streches by the same amount as a copper wire of length 4m and cross sectional area of 3xx10^(-6) m^(2) under a given load. The ratio of young's mouduls of steel to that of copper is