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Constructive and Destructive Interference

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Constructive and Destructive Interference

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Questions and Answers

What happens when two or more waves are in phase?

Their displacements negate each other

Their displacements add to produce a higher amplitude

Their velocities increase (correct)

Their frequencies change

What is the result of constructive interference?

Lower amplitude

Waves cancel out

No change in amplitude

Higher amplitude (correct)

When do waves experience destructive interference?

When they are in phase

When they are out of phase (correct)

When their frequencies are the same

When their velocities are the same

What happens to the amplitude of waves when they are out of phase?

It decreases Signup and view all the answers

What is the key difference between constructive and destructive interference?

Phase of the waves Signup and view all the answers

What is the role of the presynaptic neuron in the synapse?

To transmit a signal to the synapse Signup and view all the answers

What is the function of synaptic vesicles in the synapse?

To store and release neurotransmitters Signup and view all the answers

What is the effect of neurotransmitters on the postsynaptic neuron?

They excite the postsynaptic neuron Signup and view all the answers

What is the content of synaptic vesicles?

Neurotransmitters Signup and view all the answers

Where are synaptic vesicles typically located?

In the axon terminal of the presynaptic neuron Signup and view all the answers

Study Notes

Interference of Waves

Constructive Interference: Occurs when two or more waves are in phase, resulting in their displacements adding up to produce a higher amplitude.
Destructive Interference: Occurs when two or more waves are out of phase, resulting in their displacements negating each other to produce a lower amplitude.

Neuron Communication

The presynaptic neuron is the neuron that transmits a signal to the synapse.

Synaptic Vesicles and Neurotransmitters

Synaptic vesicles are tiny sacs that contain chemicals.
These chemicals are released when the signal reaches the axon terminal.
Neurotransmitters are chemicals found in synaptic vesicles that excite the postsynaptic neuron, muscle, or gland cell.