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Andrej [43]
3 years ago
11

How does a change in speed cause a wave to change direction​

Biology
2 answers:
slamgirl [31]3 years ago
7 0

Answer:

Refraction is an effect that occurs when a light wave, incident at an angle away from the normal, passes a boundary from one medium into another in which there is a change in velocity of the light. ... The wavelength decreases as the light enters the medium and the light wave changes direction.

Sedaia [141]3 years ago
4 0
When a wave enters a new medium at an angle, one side of the wave changes speed before the other side. This causes waves to bend. Bending occurs because the different parts of the wave travel at different speeds.
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A transformer has a primary coil with 300 turns and is secondary coil with 600 turns. If the output voltage is 75 voltes, what i
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<u>Answer:</u>

150 volts

<u>Explanation:</u>

For a transformer which is designed and operated properly, the ratio of primary to secondary coil voltages is proportional to the ratio of primary to secondary coil winding turns.

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