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8_murik_8 [283]
3 years ago
9

The type of wave that does not require a medium

Physics
2 answers:
morpeh [17]3 years ago
7 0

electromagnectic wave


Molodets [167]3 years ago
5 0
Electromagnetic waves are the waves that can travel without a material medium.
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A solenoid with an air core has a magnetic field pointing along its axis in the positive x direction. This solenoid is then fill
trapecia [35]

Answer:

we can say that with a smaller magnitude , the field will point is in same direction

Explanation:

we have given that

solenoid is filled with a diamagnetic material and with air, magnetic field pointing along its axis in the positive x direction

so in small magnitude, the field will point is in same direction

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3 years ago
Help a nga out with his physic hw
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Rarefactions are where you see the wave further apart. Where it's closer together, it's called a compression.
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Explain why the speed of light is lower than 3.0 × 108 m/s as it goes through different media.
alexandr1967 [171]

Answer:

air or vacuum is the least refractive index medium of most rare medium

all other medium has more value of refractive index and hence the speed will be less than the speed of the air

Explanation:

As we know that speed of light in any medium and speed of light in air is related to each other by the equation

v = \frac{c}{\mu}

here we know that

c = 3 \times 10^8 m/s

[tex]\mu [tex] = refractive index of the medium

so we know that air or vacuum is the least refractive index medium of most rare medium

all other medium has more value of refractive index and hence the speed will be less than the speed of the air

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3 years ago
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4 years ago
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An object at rest has equal forces acting on it. This can be described as a(n) _____________ force.
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