Atoms and Light

What was a limitation of the Rutherford model of the atom?

• It explained the distribution of electrons.

• It described the nucleus in detail.

• It did not explain how electrons are distributed around the nucleus.

• It accounted for the mass of the atom.

What discovery led to the development of a new atomic model in the early twentieth century?

• The discovery of protons.

• The absorption and emission of light by matter.

• The discovery of neutrons.

• The invention of the microscope.

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Which of the following is NOT a type of electromagnetic radiation?

• X rays

• Sound waves

• Ultraviolet light

• Microwaves

What is wavelength?

• The distance between two waves.

• The height of a wave.

• The speed of a wave.

• Distance bewteen points on a wave that duplicate its behavior

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What did scientists originally believe about light before 1900?

• It behaved solely as a particle.

• It behaved solely as a wave.

• It had no mass.

• It was invisible.

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What is the wavelength range of microwaves?

• 10 nm to 1 cm

• 1 cm to 10 cm

• 10 cm to 1 m

• 1 m to 10 m

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What is the wavelength of violet light in the visible spectrum?

• 300 nm

• 400 nm

• 500 nm

• 600 nm

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What was the key factor in the mystery of the photoelectric effect?

• Intensity of light

• Frequency of light

• Color of light

• Speed of light

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What is a 'quantum of energy' according to Planck's theory?

• The maximum quantity of energy that can be lost or gained by an atom

• The minimum quantity of energy that can be lost or gained by an atom

• The average quantity of energy that can be lost or gained by an atom

• The total quantity of energy that can be lost or gained by an atom

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What does the equation E = hν represent?

• The energy of a photon

• The speed of light

• The wavelength of light

• The intensity of light

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