Physics, 24.06.2019 15:30 sighgabbie

Aray diagram is shownwhich statement best describes the diagram? the diagram shows refraction, and medium 1 is denser than medium 2. the diagram shows refraction, and medium 1 is less dense than medium 2. the diagram shows reflection, and medium 1 is less dense than medium 2. the diagram shows reflection, and medium 1 is denser than medium 2.

$Aray diagram is shownwhich statement best describes the diagram? the diagram shows refraction, and m$

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Answer from: Crxymia

The diagram shows refraction, and medium 1 is less dense than medium 2.

Explanation:

- Reflection occurs when a light ray hits a surface and bounces back into the same medium

- Refraction occurs when a light ray crosses the interface between two different mediums, changing direction

From the diagram, we clearly see that this is a case of refraction, since the light ray crosses the boundary between two mediums.

The direction of a light ray in refraction is given by Snell's Law:

$n_1 sin \theta_1 = n_2 sin \theta_2$ (1)

where

n1 and n2 are the index of refraction of the two mediums: a higher index of refraction means a higher density for the medium

$\theta_1, \theta_2$ are the angles of the light ray in medium 1 and medium 2, measured with respect to the normal to the interface

We can rewrite eq. (1) as

$\frac{n_1}{n_2}=\frac{sin \theta_2}{sin \theta_1}$

From the diagram, we see that

$\theta_1 \theta_2$

$sin \theta_1 sin \theta_2$

and so

$\frac{sin \theta_2}{sin \theta_1}$

which means

$\frac{n_1}{n_2}$

so, medium 2 is denser than medium 1, and the correct answer is

The diagram shows refraction, and medium 1 is less dense than medium 2.

Answer from: Quest

it about 600 mph from what i calculated

Answer from: Quest

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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