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AGRAWAL EXAM CART BIHAR-SOUND (LOUDNESS, PITCH, AUDIBLE AND INAUDIBLE SOUND) AND HUMAN EARS-IMPORTANT QUESTIONS
- 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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- A normal human being can hear sounds in the frequency range of .
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- SI unit of time period is :
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- SI unit of pitch is :
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- A list of mediums is given below. (i) wood (iii) air (ii) wate...
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- The loudness of sound depends on :
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- Which of the following statements are correct? (i) Sound is produced...
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- In order to reduce the loudness of a sound we have to
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- Loudness of sound is measured in units of:
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- The loudness of sound is determined by the
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- 1 hertz is equal to :
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- Pitch of sound is determined by its
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- Ultrasound has frequency of vibration
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- Which part of human ear converts sour vibrations into electrical signa...
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- What do dolphins, bats and porpoise use
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- Children under the age of 5 can hear upto
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