allerySound is produced by:
- vibration of an object
- heating an object
- cooling an object
- rotation of the Earth
Show answer and solution
Correct answer: A. vibration of an object
Sound is produced by vibrations (periodic to-and-fro motion).
NDA Unit 1A: Kinematics: 1D Motion, Position & Velocity — practice questions
Explore 17 free Unit 1A: Kinematics: 1D Motion, Position & Velocity questions in NDA Physics. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 1–17 of 17.
Sound is produced by:Read the answer and worked solution →The object that produces sound is called the:Read the answer and worked solution →In humans, sound is produced by the vibration of:Read the answer and worked solution →A tuning fork is usually shaped like the letter:Read the answer and worked solution →Sound needs a material medium to travel; it cannot propagate through:Read the answer and worked solution →Sound waves in air are:Read the answer and worked solution →A region of higher pressure (and density) in a sound wave is called a:Read the answer and worked solution →A region of lower pressure (and density) in a sound wave is called a:Read the answer and worked solution →The distance between two consecutive compressions (or two consecutive rarefactions) is the:Read the answer and worked solution →The number of complete oscillations per second is called the:Read the answer and worked solution →The SI unit of frequency is the:Read the answer and worked solution →The time taken for one complete oscillation is the:Read the answer and worked solution →If the frequency of a wave is f and its wavelength is λ, its speed v is given by:Read the answer and worked solution →The maximum displacement of particles from their mean position is called the:Read the answer and worked solution →The pitch of a sound is determined primarily by its:Read the answer and worked solution →The loudness of a sound is related to its:Read the answer and worked solution →The audible range of frequencies for a normal human ear is approximately:Read the answer and worked solution →
Worked practice questions
The object that produces sound is called the:
- source
- receiver
- medium
- compressor
Show answer and solution
Correct answer: A. source
Vibrating body that originates the sound is its source.
In humans, sound is produced by the vibration of:
- vocal cords
- lips only
- tongue
- teeth
Show answer and solution
Correct answer: A. vocal cords
Vocal cords inside the larynx vibrate to produce sound.
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