Physics, 16.03.2020 19:26, chellybean

An incident beam of light moves through liquid water ( 1.33) and impinges upon an interface with glass ( 1.52) with an angle of incidence of 47.0o. What is the angle of the refracted beam (i. e., in the glass) with respect to the surface normal

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answered: tatia65

The angle of the refracted beam with respect to the surface normal is $\theta_{2} =39.79^{o}$ .

Explanation:

The direction of a beam of light changes when it crosses the interface between two media with different index of refraction. We will consider that n₁ and n₂ are the index of refraction of the first and the second medium and θ₁ and θ₂ are the angles that the beam of light makes with the surface normal in the first and the second medium respectively.

Snell's Law relates the angle of incidence θ₁ and the angle of refraction θ₂ of a beam of light with the index of refraction in each medium:

$n_{1} sin\theta_{1} =n_{2} sin\theta_{2}$

We are told that:

$n_{1} =1.33$ $n_{2} =1.52$ $\theta_{1} =47^{o}$

if we rearrange the equation:

$sin\theta_{2} =\frac{n_{1}}{n_{2}} sin\theta_{1}$

we get an expression for the angle of the refracted beam:

$\theta_{2}=arcsin(\frac{n_{1}}{n_{2}} sin\theta_{1})$

replacing the values we get that:

$\theta_{2}=arcsin(\frac{1.33}{1.52}\ sin47^{o})$

$\theta_{2} =arcsin(0.875\ .\ 0.731)$

$\theta_{2}=arcsin(0.640)$

finally we get that:

$\theta_{2} =39.79^{o}$

answered: Guest

i guess the game developers wanted to give off a more gamey/cartoony feeling without trying to copy fortnite exactly

answered: Guest

a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm. the wire diameter is d = 0.9 mm. the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2) in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation:

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An incident beam of light moves through liquid water ( 1.33) and impinges upon an interface with gla...