EASY
Diploma
IMPORTANT
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A ball goes back and forth along a horizontal floor, bouncing off two vertical walls. Suggest whether this motion is an example of an oscillation. If yes, state if the oscillation is simple harmonic.

Important Questions on Waves

EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 4 - Waves>Test yourself>Q 3
A ball bounces vertically off the floor. Suggest whether this motion is an example of an oscillation. If yes, state if the oscillation is simple harmonic.
EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 4 - Waves>Test yourself>Q 6
In football stadiums fans often create a ‘wave’ by standing up and sitting down again. Suggest factors that determine the speed of the ‘wave’.
EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 4 - Waves>Test yourself>Q 9
Explain, in the context of wave motion, what you understand by the term displacement.
EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 4 - Waves>Test yourself>Q 9
Using your answer in a (i.e. In wave motion, the displacement refers to the difference in the value of a physical quantity such as position, pressure, density etc when the wave is present and when the wave is absent.), explain the difference between longitudinal and transverse waves.
EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 4 - Waves>Test yourself>Q 9
A rock thrown onto the still surface of a pond creates circular ripples moving away from the point of impact. Suggest why more than one ripple is created.
EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 4 - Waves>Test yourself>Q 9
Why does the amplitude decrease as the ripple moves away from the centre?
EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 4 - Waves>Test yourself>Q 11

The diagram shows a piece of cork floating on the surface of water when a wave travels through the water to the right. Copy the diagram, and add to it the position of the cork half a wave period later.

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MEDIUM
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 4 - Waves>Test yourself>Q 15

The diagram shows two pulses of equal width and height travelling in opposite directions on the same string. Draw the shape of the string when the pulses completely overlap.

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