<span>Electromagnetic and mechanical waves differ in that electromagnetic waves are always longitudinal and do not require a known medium, while mechanical waves are either longitudinal or compression waves and require a medium. All known electromagnetic waves are also known as forms of light.</span>
<h2>The force experienced is 8 x 10⁻¹⁸ N</h2>
Explanation:
When any charge moves into the magnetic field , it experiences the force
The force can be calculated by the relation F = q v B sinθ
here q is the charge and v is its velocity .
B is magnetic field strength and θ is the angle between field and velocity vectors .
Thus F = 1.6 x 10⁻¹⁹ x 200 x 0.5 x sin 30
= 8 x 10⁻¹⁸ N
Answer:
Voltage, V = 0.0524 volts
Explanation:
Thickness of the membrane, 
Electric field strength, 
We need to find the voltage across it. The relationship between the voltage, electric field and the distance is given by :
V = 0.0524 volts
So, the voltage across the thick membrane is 0.0524 volts. Hence, this is the required solution.
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