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AGRAWAL EXAM CART BIHAR-SOUND (LOUDNESS, PITCH, AUDIBLE AND INAUDIBLE SOUND) AND HUMAN EARS-IMPORTANT QUESTIONS
- Sound is kind of
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- The to and fro motion of an object is called.
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- Voice box or larynx of human process
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- Sound propagates maximum in:
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- Noise Pollution is harmful for
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- Sound usually travels through which medium to reach our ears?
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- What is the speed of sound in air ?
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- What is the loudness of normal breathing?
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- What is length of vocal cords in man?
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- The normal range of vocal cords in women is
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- A vibrating body should oscillate minimum how many times per second to...
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- Which of the following produces noise only?
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- Speed of sound in solids in ………………………. Speed of sound in liquids which...
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- Bats search out prey and fly in dark night by emittin...
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- Which of the following is not a characteristic of musical sound?
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- Sound waves do not travel through
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- One of the following can hear infrasound. This one is:
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- What kind of musical instrument is a sitar?
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- Identify the part which vibrates to produce sound in the instruments. ...
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- The pitch of sound depends on
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