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Harlamova29_29 [7]
3 years ago
14

Study the interaction of the light rays with the mediums. Classify the medium in each image as being transparent or opaque.

Physics
2 answers:
Tresset [83]3 years ago
6 0

Answer:

a) transparent

b) transparent

c) opaque

Explanation:

In the first one, the light rays go completely through, so it is transparent.

The second one I'm not too sure about. It is refraction so it's going through a different material, but the fact that it went through makes me say transparent.

Last one, the light rays are reflecting off the surface so it's opaque.

Please feel free to correct me if I'm wrong. This is just my understanding

Talja [164]3 years ago
4 0

Answer:

a) transparent

b) transparent

c) opaque

Explanation:

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Answer:

Magnetic force, F = 3.52\times 10^{-13}\ N

Explanation:

Given that,

A beryllium-9 ion has a positive charge that is double the charge of a proton, q=2\times 1.6\times 10^{-19}\ C=3.2\times 10^{-19}\ C

Speed of the ion in the magnetic field, v=5\times 10^6\ m/s

Its velocity makes an angle of 61° with the direction of the magnetic field at the ion's location.

The magnitude of the field is 0.220 T.

We need to find the magnitude of the magnetic force on the ion. It is given by :

F=qvB\\\\F=3.2\times 10^{-19}\times 5\times 10^6\times 0.22\\\\F=3.52\times 10^{-13}\ N

So, the magnitude of magnetic force on the ion is 3.52\times 10^{-13}\ N.

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Electrons are so small that it does not affect the mass of atom .

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The period of the sound wave at the given frequency is determined as 0.00235 second.

<h3>Period of the sound wave</h3>

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