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Year 7 Exam  >  Year 7 Tests  >  Test: How Sound Travels - Year 7 MCQ

Test: How Sound Travels - Year 7 MCQ


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10 Questions MCQ Test - Test: How Sound Travels

Test: How Sound Travels for Year 7 2024 is part of Year 7 preparation. The Test: How Sound Travels questions and answers have been prepared according to the Year 7 exam syllabus.The Test: How Sound Travels MCQs are made for Year 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: How Sound Travels below.
Solutions of Test: How Sound Travels questions in English are available as part of our course for Year 7 & Test: How Sound Travels solutions in Hindi for Year 7 course. Download more important topics, notes, lectures and mock test series for Year 7 Exam by signing up for free. Attempt Test: How Sound Travels | 10 questions in 20 minutes | Mock test for Year 7 preparation | Free important questions MCQ to study for Year 7 Exam | Download free PDF with solutions
Test: How Sound Travels - Question 1
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Sounds which have a very high frequency are called .......

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In the ocean, sperm whales use sound to stun or kill their prey
Test: How Sound Travels - Question 2
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Frequency is measured in .......

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Heinrich Hertz was a German scientist who carried out a lot of research into electromagnetic waves
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Test: How Sound Travels - Question 3
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Which of the following best describes how sound is produced?

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Sound is produced when an object vibrates, sending waves of energy through a medium.

Test: How Sound Travels - Question 4
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What is the role of amplitude in sound waves?
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Amplitude refers to the magnitude of vibrations in a sound wave, directly influencing how loud or soft the sound is perceived.

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A large amplitude of vibration produces .......
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A guitarist can make their guitar sound louder by plucking or strumming it harder to increase the amplitude of vibration of the string. In an orchestra, the stringed instruments are played using a bow. The players can bow harder to increase the amplitude and therefore make a louder sound
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In which medium can sound not propagate?
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Sound requires particles to transmit vibrations. In a vacuum (space devoid of particles), sound waves cannot travel.

Test: How Sound Travels - Question 7
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How does decreasing the length of a guitar string change its vibration?
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Guitar players shorten strings by holding them against the frets on the fretboard (the guitar's neck)
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How does sound intensity change with distance from the source?
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Sound intensity decreases as the distance from the sound source increases due to spreading of the sound waves over a larger area.

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 What part of the ear converts sound vibrations into electrical signals?
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The cochlea contains tiny hair cells that convert mechanical vibrations into electrical signals that are then sent to the brain.

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Which property of sound waves determines their pitch?
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Pitch of sound is determined by its frequency, which is the number of vibrations per second. Higher frequency sounds have higher pitch.

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