Radio waves are ______ waves.
Sound
Atoms and molecules are normally _________ neutral.
Electrically
The speed of a photon is equal to what?
The speed of light
A set of Christmas tree lights is wired parallel. What will happen if one of the lights burns out?
The rest of the lights will stay on
The unit of resistance is the
Ohm
In a transverse wave, the individual particles of the medium move ________ to the direction of travel.
Perpendicular
Example of a purely longitudinal wave
Sound wave
The lower the frequency of a sound wave, the _______ its wavelength.
Longer
A changing electric field gives rise to what kind of field?
Magnetic field
What kind of wave cannot travel through a vacuum?
Sound waves
A vacuum is also known as
Deep space
What color of light has the highest frequency?
Blue
What color of light has the longest wavelength?
Red
The electrical force between charges is the strongest when charges are
Closer together
When light of a particular frequency hits certain metallic surfaces, electrons are emitted by the surface. This is
The photoelectric effect aka the particle nature of light
A positive electric charge _____ other positive charges.
Repels
An ______ consists of a small positive nucleus surrounded, at a distance, by electrons
Atom
The volt is the unit of electric ________difference.
Potential
The current with which a transformer is used must be ______.
AC
______ is a wave.
Light
Bright lines are part of what spectrum?
Emission spectrum
True or false: Amplitude goes up and down (vertical)
TRUE
Radio waves travel through space at what speed?
The speed of light
What is the speed of light?
2.998 x 10 to the 8th m/s
Radio waves have _____ wavelengths and ________ frequencies relative to visible light.
Longer, smaller
UV light has _____ wavelengths and _____ frequencies relative to visible light.
Shorter, larger
A pencil in a glass of water appears bent. This is an example of
Refraction
Resonance occurs at ______ frequency
Natural
The _____ effect is the change in the wavelength of light cause by the source moving with respect to the observer
Doppler
Who invented the radio?
Nikola Tesla
A ______ motor transforms electrical energy into mechanical energy
Electric
Electric current is measured in
Amps
Radio waves are ______ waves.
Sound
Atoms and molecules are normally _________ neutral.
Electrically
The speed of a photon is equal to what?
The speed of light
A set of Christmas tree lights is wired parallel. What will happen if one of the lights burns out?
The rest of the lights will stay on
The unit of resistance is the
Ohm
In a transverse wave, the individual particles of the medium move ________ to the direction of travel.
Perpendicular
Example of a purely longitudinal wave
Sound wave
The lower the frequency of a sound wave, the _______ its wavelength.
Longer
A changing electric field gives rise to what kind of field?
Magnetic field
What kind of wave cannot travel through a vacuum?
Sound waves
A vacuum is also known as
Deep space
What color of light has the highest frequency?
Blue
What color of light has the longest wavelength?
Red
The electrical force between charges is the strongest when charges are
Closer together
When light of a particular frequency hits certain metallic surfaces, electrons are emitted by the surface. This is
The photoelectric effect aka the particle nature of light
A positive electric charge _____ other positive charges.
Repels
An ______ consists of a small positive nucleus surrounded, at a distance, by electrons
Atom
The volt is the unit of electric ________difference.
Potential
The current with which a transformer is used must be ______.
AC
______ is a wave.
Light
Bright lines are part of what spectrum?
Emission spectrum
True or false: Amplitude goes up and down (vertical)
TRUE
Radio waves travel through space at what speed?
The speed of light
What is the speed of light?
2.998 x 10 to the 8th m/s
Radio waves have _____ wavelengths and ________ frequencies relative to visible light.
Longer, smaller
UV light has _____ wavelengths and _____ frequencies relative to visible light.
Shorter, larger
A pencil in a glass of water appears bent. This is an example of
Refraction
Resonance occurs at ______ frequency
Natural
The _____ effect is the change in the wavelength of light cause by the source moving with respect to the observer
Doppler
Who invented the radio?
Nikola Tesla
A ______ motor transforms electrical energy into mechanical energy
Electric
Electric current is measured in
Amps