Electromagnetic Radiation Question Preview (ID: 60487)
Review Of Electromagnetic Radiation.
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Visible light, X rays, infrared radiation, and radio waves all have the same
a) energy
b) speed
c) wavelength
d) frequency
The speed of an electromagnetic wave is equal to the product of its wavelength and its
a) mass
b) velocity
c) color
d) frequency
The frequency of electromagnetic radiation is measured in waves/second, or
a) nanometers
b) quanta
c) hertz
d) joules
According to the particle model of light, certain kinds of light cannot eject electrons from metals because
a) the mass of the light is too low.
b) the energy of the light is too low.
c) the frequency of the light is too high.
d) the wavelength of the light is too short.
If electromagnetic radiation A has a lower frequency than electromagnetic radiation B, then compared to B, the wavelength of A
a) longer.
b) shorter.
c) exactly half the length of B's wavelength.
d) equal
The distance between two successive peaks on adjacent waves is its
a) frequency.
b) quantum number.
c) velocity.
d) wavelength
The wave model of light does not explain
a) interference.
b) the continuous spectrum.
c) the photoelectric effect.
d) the frequecy of light
Max Planck proposed that a hot object radiated energy in small, specific amounts called
a) quanta.
b) hertz.
c) waves.
d) electrons.
The emission of electrons from metals that have absorbed photons is called the
a) interference effect.
b) quantum effect.
c) photoelectric effect.
d) dual effect.
A line spectrum is produced when an electron moves from one energy level
a) to a higher energy level.
b) to a lower energy level.
c) into the nucleus.
d) to another position in the same sublevel.
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