MCQs: When water containing dissolved salts evaporate there is formation of layer of
Category: Science Mcqs, Published by: teswesm
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MCQs: Rocks are formed by combination of minerals like
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MCQs: Louder sound can cause damage to
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MCQs: The number of vibrations in a second is called
Category: Science Mcqs, Published by: teswesm
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MCQs: If we tighten the strings of instrument the pitch will be
Category: Science Mcqs, Published by: teswesm
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MCQs: Sound having frequencies above 20000Hz are called
Category: Science Mcqs, Published by: teswesm
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MCQs: The higher the frequency the greater will be
Category: Science Mcqs, Published by: teswesm
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MCQs: Sound travels at speed of 1482m/s in
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MCQs: Unwanted sounds are called
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MCQs: The distance from one crest to another or one to another wave is called a
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MCQs: Signals are sent auditory nerves to
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MCQs: Tiny hairs are moved due to vibrations in fluid in
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MCQs: The SI unit of frequency is
Category: Science Mcqs, Published by: teswesm
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MCQs: The regions where molecules spread out are called
Category: Science Mcqs, Published by: teswesm
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MCQs: An instrument which can produce a number a sounds with high and low frequencies and pitch is the
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MCQs: Ultrasound and infrasound are not detected by
Category: Science Mcqs, Published by: teswesm
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MCQs: A measure of amount of energy in a sound wave is called its
Category: Science Mcqs, Published by: teswesm
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MCQs: He symbol of decibel is
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MCQs: Humans can hear the sound with in range
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MCQs: The brain interprets vibrations and electrical signals as
Category: Science Mcqs, Published by: teswesm
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