3 years ago

Does a volcano contain a medium? Does the energy travel through anything- the transverse waves?

1 answer:

4 0

This molten rock is called magma when it is beneath the surface and lava when it erupts or flows from a volcano. Along with lava, volcanoes also release gases, ash, and rock. ... Volcanoes form at the edges of Earth's tectonic plates

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How does increasing the distance between charged objects affect the electric force between them?

bazaltina [42]

The best option would be C.

8 0

3 years ago

A ray moving in plastic at 62.9 deg enters water, where it bends to 70.9 deg. What is the index of refraction of the plastic?

DedPeter [7]

Answer:

refractive index of plastic is 1.42

Explanation:

When light ray enters from one medium to other medium then due to transition of light it bends away or towards the normal, this phenomenon is known as refraction of light

So here we know that

$n_1 sin i = n_2 sin r$