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AGRAWAL EXAM CART BIHAR-SOUND (LOUDNESS, PITCH, AUDIBLE AND INAUDIBLE SOUND) AND HUMAN EARS-IMPORTANT QUESTIONS
- What is the speed of sound in air?
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- What will be the effect of temperature on speed of sound ?
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- Name the characteristic of the sound which distinguishes a sharp sound...
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- What is the unit of loudness?
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- Sound wave cannot pass through above :
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- Sound travel fastest in:
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- Ultrasound waves are those waves :
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- With the rise of temperature, the speed of sound in a gas :
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- Decibel is
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- Pitch of a sound depends on :
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- When a sound wave goes from air into water, the quantity that remains ...
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- The velocity of sound in a gas depends on:
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- A key of a mechanical piano is struck gently and then struck again but...
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- In SONAR, we use :
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- Sound travels in air if :
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- When we change feeble sound to loud we increase its :
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- Earthquake produces which kind of sound before the main shock wave beg...
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- Infrasound can be heard by :
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- Which one of the following statements is wrong?
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- An astronaut can't hear his companion at the surface of the moon becau...
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