Three polarizing filters are stacked, with the polarizing axis of the second and third filters at angles of 23.8 ∘ and 65.0 ∘, r
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To solve this problem it is necessary to apply the concepts related to Young's Module, and find the radius that gives the ratio between the two given materials. Young's module can be defined as,
Where,
F= Force
L = Initial Length
A = Cross-sectional Area
Change in Length
Re-arrange the equation to find the change in Length we have,
If both the Force, as the Area and the initial length are considered constant, we can realize directly that the change in length is inversely proportional to Young's Module, therefore
Applying this concept to that of the two materials (Brass and Tungsten),
If the force caused to be stretched, the tungsten will stretch 0.25 of that ratio
Therefore the amount of stretch of Tungsten is 7.5*10^{-7}m