Q2-GP1-Module 6-L1-Assessment

Quiz by Hazel Castro

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5 questions
• Q1

Two waves are moving towards each other. Wave 1 has an amplitude of +4 and wave 2 has an amplitude of + 2. What is the total amplitude?

8

6

4

2

60s
• Q2

Which of the following is NOT TRUE for standing wave?

It transfers energy.

Its wave pattern does not appear to move.

It corresponds to the resonant vibration of the string.

It is stationary.

60s
• Q3

Two waves are moving towards each other as shown below. What is their displacement wave?

60s
• Q4

Marinel is waiting for a bus when a firetruck speeds fast her. She noticed that the pitch of the firetruck’s siren decreases as it moves away from her. Why does this happen?

The pitch of the firetruck’s siren decreases as the speed of the firetruck increases.

The frequency of sound increases as the source of sound moves away from the listener.

The pitch of the firetruck’s siren increases as the speed of the firetruck increases.

The frequency of sound decreases as the source of sound moves away from the listener.

60s
• Q5

Which of the following is FALSE?

Standing waves are produced on a string if the oscillations travels from the string to another medium.

Energy on standing waves are not transferred.

Constructive interference occurs if two waves that are about to meet are in-phase.

The superposition principle is about wave interferences.

60s

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