Ch 16: Waves & SoundWorksheetSee all chapters
All Chapters
Ch 01: Units & Vectors
Ch 02: 1D Motion (Kinematics)
Ch 03: 2D Motion (Projectile Motion)
Ch 04: Intro to Forces (Dynamics)
Ch 05: Friction, Inclines, Systems
Ch 06: Centripetal Forces & Gravitation
Ch 07: Work & Energy
Ch 08: Conservation of Energy
Ch 09: Momentum & Impulse
Ch 10: Rotational Kinematics
Ch 11: Rotational Inertia & Energy
Ch 12: Torque & Rotational Dynamics
Ch 13: Rotational Equilibrium
Ch 14: Angular Momentum
Ch 15: Periodic Motion (NEW)
Ch 15: Periodic Motion (Oscillations)
Ch 16: Waves & Sound
Ch 17: Fluid Mechanics
Ch 18: Heat and Temperature
Ch 19: Kinetic Theory of Ideal Gasses
Ch 20: The First Law of Thermodynamics
Ch 21: The Second Law of Thermodynamics
Ch 22: Electric Force & Field; Gauss' Law
Ch 23: Electric Potential
Ch 24: Capacitors & Dielectrics
Ch 25: Resistors & DC Circuits
Ch 26: Magnetic Fields and Forces
Ch 27: Sources of Magnetic Field
Ch 28: Induction and Inductance
Ch 29: Alternating Current
Ch 30: Electromagnetic Waves
Ch 31: Geometric Optics
Ch 32: Wave Optics
Ch 34: Special Relativity
Ch 35: Particle-Wave Duality
Ch 36: Atomic Structure
Ch 37: Nuclear Physics
Ch 38: Quantum Mechanics
Sections
What is a Wave?
The Mathematical Description of a Wave
Waves on a String
Wave Interference
Standing Waves
Sound Waves
Standing Sound Waves
Sound Intensity
The Doppler Effect
Beats
LearnAdditional Practice
Next SectionThe Doppler Effect

Solution: The intensity of the waves from a point source at a distance  d from the source is I. At what distance from the sources is the intensity equal to 2I?A) d/2B) d/√2C) d/4D) d/8

Solution: The intensity of the waves from a point source at a distance  d from the source is I. At what distance from the sources is the intensity equal to 2I?A) d/2B) d/√2C) d/4D) d/8

Problem

The intensity of the waves from a point source at a distance  d from the source is I. At what distance from the sources is the intensity equal to 2I?

A) d/2

B) d/√2

C) d/4

D) d/8

Next
Practice Problems
A human can only hear sound above I 0 = 10 -12 W/m...
Sound is emitted from a 100 W source at a 50 Hz. F...
Standing 15 m from a speaker, the speaker has a vo...
By how many decibels does the intensity level of a...
Standing 1 m from a speaker, you hear a sound of 5...
A speaker is emitting energy in the form of sound,...
The intensity level for busy traffic is β1 = 81 dB...
The intensity of the waves from a point source at ...
The sound intensity is 0.0080 W/m2 at a distance o...
A sound system emits 100 W of power from a speaker...
By what amount does the intensity level increase w...
Previous SectionStanding Sound Waves
Next SectionThe Doppler Effect