QUESTION 1 Compute the wavelength, in nm, of an X-ray with a frequency of 10^18
ID: 1771005 • Letter: Q
Question
QUESTION 1
Compute the wavelength, in nm, of an X-ray with a frequency of 10^18 Hz.
6.0
4.5
0.3
5.1
10 points
QUESTION 2
The energy of a light quantum has been found to be directly proportional to
the frequency of the light.
the radius of the Bohr atom.
the mass of the electron.
the square of the wave function.
10 points
QUESTION 3
A transverse wave
is made up of a series of compressions and rarefactions.
cannot travel through a vacuum.
can only oscillate at low frequencies.
is representative of light and other electromagnetic waves.
10 points
QUESTION 4
A packet, or quantum, of light or any other type of electromagnetic radiation is called
an energy level.
a photon.
an excited state.
a discrete bundle.
10 points
QUESTION 5
Which of the following properties of an electromagnetic wave varies with time as the wave propagates from one location to another through a vacuum?
the electric and magnetic fields
the displacement of molecules from their equilibrium positions
the density of the medium through which the wave is traveling
the wave speed
10 points
QUESTION 6
By the amplitude of the wave, we mean the
distance between molecules in the propagation medium.
amount of time needed for the wave to perform one complete vibration.
maximum displacement of any particle from its position of equilibrium.
distance between the crests on the wave.
10 points
QUESTION 7
In transverse wave motion
the direction of particle vibration is parallel to the direction in which the wave is traveling.
the particles in the transport medium move in circles.
the displacement is inversely proportional to the amplitude.
the amplitude of the propagated wave is perpendicular to the direction of wave travel.
10 points
QUESTION 8
Amplitude in a sound wave is associated with
quality.
pitch.
wave speed.
loudness.
10 points
QUESTION 9
An electromagnetic wave has a wavelength of 6.00 x 10^-6 m. In what region of the EM spectrum is this radiation?
x-ray
ultraviolet
visible
infrared
10 points
QUESTION 10
Pitch has the same units as
wavelength.
velocity.
frequency.
period.
6.0
4.5
0.3
5.1
Explanation / Answer
1 0.3
2 the frequency of the light.
3 is representative of light and other electromagnetic waves.
4 a photon
5 the electric and magnetic fields
6 maximum displacement of any particle from its position of equilibrium.
7 the amplitude of the propagated wave is perpendicular to the direction of wave travel.
8 loudness.
9. visible
10 frequency
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