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Electromagnetic Radiation
Test Description: Review of electromagnetic radiation
Instructions: Answer all questions to get your test result.
1) Visible light, X rays, infrared radiation, and radio waves all have the same
A
frequency
B
wavelength
C
energy
D
speed
2) The speed of an electromagnetic wave is equal to the product of its wavelength and its
A
color
B
mass
C
frequency
D
velocity
3) The frequency of electromagnetic radiation is measured in waves/second, or
A
nanometers
B
joules
C
quanta
D
hertz
4) According to the particle model of light, certain kinds of light cannot eject electrons from metals because
A
the wavelength of the light is too short.
B
the energy of the light is too low.
C
the frequency of the light is too high.
D
the mass of the light is too low.
5) If electromagnetic radiation A has a lower frequency than electromagnetic radiation B, then compared to B, the wavelength of A
A
exactly half the length of B's wavelength.
B
longer.
C
equal
D
shorter.
6) The distance between two successive peaks on adjacent waves is its
A
wavelength
B
quantum number.
C
frequency.
D
velocity.
7) The wave model of light does not explain
A
the frequecy of light
B
the photoelectric effect.
C
interference.
D
the continuous spectrum.
8) Max Planck proposed that a hot object radiated energy in small, specific amounts called
A
quanta.
B
hertz.
C
electrons.
D
waves.
9) The emission of electrons from metals that have absorbed photons is called the
A
quantum effect.
B
dual effect.
C
interference effect.
D
photoelectric effect.
10) A line spectrum is produced when an electron moves from one energy level
A
into the nucleus.
B
to another position in the same sublevel.
C
to a higher energy level.
D
to a lower energy level.
*select an answer for all questions
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