Sound Waves Quiz (Theory)
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- Question 1 of 7
1. Question
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refers to the number of complete of the sound wave per .
Correct 3 / 3 PointsIncorrect / 3 Points -
- Question 2 of 7
2. Question
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( i ) lambda = v
= / 2200
= m ( final answer )
( ii ) 1. The of the sound remain the
- The of sound will
Correct 8 / 8 PointsIncorrect / 8 Points -
- Question 3 of 7
3. Question
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( i ) 1. Loudspeaker to and fro and collides with .
- is transmitted through and rarefactions in its longitudinal energy passed on.
( ii ) molecules in the jar which results in energy and to be transferred.
Correct 8 / 8 PointsIncorrect / 8 Points -
- Question 4 of 7
4. Question
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wave is a wave that comprises and rarefaction and which travels in a direction to the direction of of the medium .
Correct 5 / 5 PointsIncorrect / 5 Points -
- Question 5 of 7
5. Question
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( i ) highest frequency : Hz
frequency : 20
( ii ) lambda = v
= / 20,000
= m ( final answer )
Correct 7 / 7 PointsIncorrect / 7 Points -
- Question 6 of 7
6. Question
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( i ) An alternating current produces a changing magnetic .
The coil applies a and forward .( ii ) The vibrations will be passed in the form of and rarefaction of a sound .
Correct 8 / 8 PointsIncorrect / 8 Points -
- Question 7 of 7
7. Question
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The Note heard is
Correct 1 / 1 PointsIncorrect / 1 Points -