Answer :
the ratio of the masses of the two ropes is 0.51
Calculation :
For a rope, the speed of standing wave is given as
[tex]v = \sqrt{\frac{T}{m/L} }[/tex]
Here, as T and L is same for both the ropes
v1 = 1.4v2
as v1 /v2 = sqrt(m2/m1)
1.4 = sqrt(m2/m1)
m1/m2 = 0.51
the ratio of the masses of the two ropes is 0.51
Mass is an inherent property of an object. Mass is a standard mechanical quantity. Until the discovery of atomic physics and particle physics, it was traditionally thought to be related to the amount of matter in the physical body. are found to have different masses for the same amount of matter. Mass has several definitions in modern physics that are conceptually different but physically equivalent
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