radio waves bc they have the longest wave lenthgs in a magnetic spectrum
Because,
In left image pin is not touch to the wire.
In right image pin is touch to the wire.
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We can solve this problem using <span>Hagen–Poiseuille equation. Derivation of this equation is a bit complicated so I will just write down the equation.
</span>

This equation gives you the pressure drop <span>in an </span>incompressible<span> and </span>Newtonian<span> fluid in </span>laminar flow<span> flowing through a long cylindrical pipe of the constant cross section.
L is the length of the cylinder, Q is the volumetric flow rate, R is the radius of the pipe, and

is dynamic viscosity.
Dynamic viscosity of water at 20 Celsius is 0.001 PaS.
Now we can calculate the pressure drop:
</span>

<span>
</span>
This is a limitation of kinetic-molecular energy. Right?