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MCQs: Echoes are useful for bats because through it bats can detect
Category: Science Mcqs, Published by: teswesm
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MCQs: The sound of a whistle is
Category: Science Mcqs, Published by: teswesm
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MCQs: The depth of the sea or ocean is calculated by a
Category: Science Mcqs, Published by: teswesm
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MCQs: Bats produce sounds with
Category: Science Mcqs, Published by: teswesm
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MCQs: A reflected sound is known as
Category: Science Mcqs, Published by: teswesm
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MCQs: Rapid backward and forward movements are known as
Category: Science Mcqs, Published by: teswesm
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MCQs: 'Dolphins' can capture their prey using
Category: Science Mcqs, Published by: teswesm
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MCQs: When sound travels, the air molecules vibrate
Category: Science Mcqs, Published by: teswesm
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MCQs: The highest level of frequency which human ear can detect is
Category: Science Mcqs, Published by: teswesm
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MCQs: Sound travels fastest in
Category: Science Mcqs, Published by: teswesm
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MCQs: A hand bell stimulates the
Category: Science Mcqs, Published by: teswesm
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MCQs: Two similar string instruments are
Category: Science Mcqs, Published by: teswesm
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MCQs: Notes are put together to produce a pleasing sound known as
Category: Science Mcqs, Published by: teswesm
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MCQs: When the hand bell stimulates air particles,
Category: Science Mcqs, Published by: teswesm
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MCQs: Sounds with a high frequency which a human ear can detect are known as
Category: Science Mcqs, Published by: teswesm
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MCQs: To avoid noise from the surroundings
Category: Science Mcqs, Published by: teswesm
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MCQs: The thing which also effects the sound produced by vibrating strings, is
Category: Science Mcqs, Published by: teswesm
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MCQs: The number of things that effect the sound produced by vibrating strings is
Category: Science Mcqs, Published by: teswesm
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MCQs: When air vibrates in a short thin tube, the level of note is
Category: Science Mcqs, Published by: teswesm
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MCQs: A wave with ups and downs is known as
Category: Science Mcqs, Published by: teswesm
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