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Chapter 20 - Atomic Spectra - 11
1.
The branch of physics that deals with the investigation of wavelengths and intensities of electromagnetic radiation emitted or absorbed by atoms is called____________.
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2.
The spectrum of hydrogen was first identified by_________________ in 1885.
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3.
The continuous spectrum is due to an effect known as___________ or breaking radiation.
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4.
Lasers are used for producing an intense______________ and unidirectional coherent beam of visible light.
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5.
Laser beam can be used to generate three dimensional images of objects in a process called___.
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