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Margarita [4]
3 years ago
13

Which statement is true about the speed of light waves in a medium?

Physics
1 answer:
Alex73 [517]3 years ago
5 0
Decreases with a decrease in density of medium
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ASAP
nikitadnepr [17]

Answer:

A. 59.4

Explanation:

The refractive index of the glass, n₁ = 1.50

The angle of incidence of the light, θ₁ = 35°

The refractive index of air, n₂ = 1.0

Snell's law states that n₁·sin(θ₁) = n₂·sin(θ₂)

Where;

θ₂ = The angle of refraction of the light, which is the angle the light will have when it passes from the glass into the air

Therefore;

θ₂ = arcsin(n₁·sin(θ₁)/n₂)

Plugging in the values of n₁, n₂ and θ₁ gives;

θ₂ = arcsin(1.50 × sin(35°)/1.0) ≈ 59.357551° ≈ 59.4°

The angle the light will have when it passes from the glass into the air, θ₂ ≈ 59.4°.

6 0
2 years ago
How can I change my Brainly username?
Ainat [17]
In the current brainly version, unfortunately you could not change your username.

The only way is to create a new account, but of course all of your points will be gone
8 0
3 years ago
Read 2 more answers
Write a hypothesis about the use of an object’s physical characteristics to determine its density. Use the format "if . . . then
Ad libitum [116K]

Answer:

If an object has a high density then the molicules making up that object are closly packed togeather. Because of this, objects with a higher density will have more mass than objects of the same size that have a lesser density.

7 0
3 years ago
If we cannot see the whole society what can we see
creativ13 [48]
I believe it's People interacting. I hope i've helped you! (:

8 0
2 years ago
A rocket consists of a shuttle and a fuel tank. The rocket flies through the air with a momentum of 180000kgm/s at a velocity of
babunello [35]

Answer:

Answer is 1000kg

Hope it help

6 0
2 years ago
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