Question 1

Reflection of sound can occur in

Accepted Answer

A) air. 
B) water. 
C) both of these 
D) neither of these 
A) air. 
B) water. 
C) both of these 
D) neither of these

Question 2

The kind of waves that travel fastest through a long metal rod have

Accepted Answer

A) short wavelengths. 
B) waves of medium length. 
C) long wavelengths. 
D) all have the same speed 
A) short wavelengths. 
B) waves of medium length. 
C) long wavelengths. 
D) all have the same speed

Question 3

An acoustical engineer in designing a music hall is concerned with

Accepted Answer

A) echoes. 
B) reflection. 
C) reverberations. 
D) all of the above 
E) none of the above 
A) echoes. 
B) reflection. 
C) reverberations. 
D) all of the above 
E) none of the above

Question 4

The F in FM radio stands for

Accepted Answer

A) frequency. 
B) forced vibration at which resonance occurs. 
C) foul. 
D) female. 
E) fax. 
A) frequency. 
B) forced vibration at which resonance occurs. 
C) foul. 
D) female. 
E) fax.

Question 5

The energy of sound in air eventually becomes

Accepted Answer

A) increased internal energy in the air. 
B) weaker and weaker until it disappears. 
C) cancelled by destructive interference. 
D) all of the above 
E) none of the above 
A) increased internal energy in the air. 
B) weaker and weaker until it disappears. 
C) cancelled by destructive interference. 
D) all of the above 
E) none of the above

Exam 20: Sound

Reflection of sound can occur in

The kind of waves that travel fastest through a long metal rod have

An acoustical engineer in designing a music hall is concerned with

The F in FM radio stands for

The energy of sound in air eventually becomes

About Science

Newtons First Law of Motion: Inertia

Linear Motion

Newtons Second Law of Motion

Newtons Third Law of Motion: Action and Reaction

Momentum

Energy

Rotational Motion

Gravity

Projectile and Satellite Motion

Atomic Nature of Matter

Solids

Liquids

Gases and Plasmas

Temperature, Heat, and Expansion

Heat Transfer

Change of Phase

Thermodynamics

Vibrations and Waves

Musical Sounds

Electrostatics

Electric Current

Magnetism

Electromagnetic Induction

Properties of Light

Color

Reflection and Refraction

Light Waves

Light Emission

Light Quanta

The Atom and the Quantum

Atomic Nucleus and Radioactivity

Nuclear Fission and Fusion

Special Theory of Relativity

General Theory of Relativity

Systems of Measurement

Filters