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Questions and Answers
What is the primary requirement for sound to be transmitted?
What is the primary requirement for sound to be transmitted?
- A specific frequency
- A mechanical vibration
- A medium of transmission (correct)
- A receiver or listener
What is elasticity in the context of sound waves?
What is elasticity in the context of sound waves?
- A restoring force that causes objects to return to their original shape
- A measure of the frequency of sound waves
- A type of mechanical vibration
- A property of matter that determines how much an object changes shape under pressure (correct)
What is the ratio of applied pressure change to the resulting fractional change in length or volume called?
What is the ratio of applied pressure change to the resulting fractional change in length or volume called?
- Elasticity coefficient
- Young's modulus
- Index of Elasticity (correct)
- Spring constant
What is the name of the modulus that describes the elasticity of linear objects?
What is the name of the modulus that describes the elasticity of linear objects?
Can sound waves travel in a vacuum?
Can sound waves travel in a vacuum?
What is the relationship between the restoring force of a spring and its elasticity?
What is the relationship between the restoring force of a spring and its elasticity?
What is the unit of the elasticity modulus of the medium?
What is the unit of the elasticity modulus of the medium?
What is the speed of sound dependent on?
What is the speed of sound dependent on?
What is the unit of the speed of sound?
What is the unit of the speed of sound?
What is the value of the speed of sound in steel, according to the example?
What is the value of the speed of sound in steel, according to the example?
What does GPa stand for?
What does GPa stand for?
Why was the problem revisited in the example?
Why was the problem revisited in the example?
What is the shape of the oscillation made by a pendulum?
What is the shape of the oscillation made by a pendulum?
What is the value of velocity at points B and D in a pendulum's motion?
What is the value of velocity at points B and D in a pendulum's motion?
What happens to the forces at point A/C/E in a pendulum's motion?
What happens to the forces at point A/C/E in a pendulum's motion?
What is the term for the 'force' that is not a real force, but rather a concept used to describe an object's tendency to resist changes in its motion?
What is the term for the 'force' that is not a real force, but rather a concept used to describe an object's tendency to resist changes in its motion?
What is the concept that carries the pendulum through point C?
What is the concept that carries the pendulum through point C?
What is the phase of the pendulum at point A?
What is the phase of the pendulum at point A?
What is the purpose of 'rounding and estimation' in mathematical calculations?
What is the purpose of 'rounding and estimation' in mathematical calculations?
What is the term used to describe the back-and-forth motion of a mechanical object around its equilibrium position?
What is the term used to describe the back-and-forth motion of a mechanical object around its equilibrium position?
What is the density of concrete given in the problem?
What is the density of concrete given in the problem?
What is the process of thinking backwards to find the factors of a number?
What is the process of thinking backwards to find the factors of a number?
What is the advantage of knowing the times tables and factoring?
What is the advantage of knowing the times tables and factoring?
What is the term used to describe the amount of time taken by a wave to complete one cycle?
What is the term used to describe the amount of time taken by a wave to complete one cycle?
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