What is one way that an electric field is different from a magnetic field?
1 answer:
Answer with Explanation:
Electric field:It is the force per unit charge experienced by rest charge at any given point.
It is the area around the charge which is placed at rest.It is represented by E.
Mathematical formula:
Magnetic field:It is an area around moving charge in which moving charge particle experienced magnetic force in that area.
Magnetic field is represented by B.
Mathematical formula :
Where B=Magnetic field
q=Charge on particle
v=Velocity of particle
F=Magnetic force exert on particle
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Answer:
A. 260 mm
B. - 18
C. 175
Explanation:
A
The expression for the lens equation is
v = 259 mm
= 260 mm or 26 cm (to 2 s.f)
check the attached files for additional solution
The angle of refraction is
Explanation:
Refraction is a wave phenomenon that occurs when a light wave passes through the interface between two mediums. When this occurs, the speed and the direction of the light wave change.
We can find the final direction of the refracted light in this problem by applying Snell's law:
where
are the index of refraction in the first and second medium, respectively
are the angle of incidence and refraction, respectively
In this problem, we have:
(the first medium is air, which has a refractive index of 1.00)
(index of refraction of crown glass)
is the angle of incidence
Solving for , we find the angle of refraction
Learn more about refraction and other wave phenomena:
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