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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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