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Atomic Spectra - 2
1.
The ___________ to the electron may be provided by collision with an external electron
a) Grating energy
b) Infrared energy
c) Ionization energy
2.
The transition of inner shell electrons in heavy atom give rise to emission of high energy_______.
a) Protons
b) Photons
c) Electrons
3.
X-rays consist of series of specific wavelength or frequencies are called__________ X-Rays
a) Grating
b) Characteristics
c) Greating
4.
In the X-Rays tube____________ is heated by the filament for the emission of electron.
a) Cathode
b) Plates
c) Anode
5.
The energies of characteristics X-Rays depend upon the type of _____________.
a) Target material
b) Anode
c) Cathode
6.
The_____________ spectrum is obtained due to deceleration of incident electrons.
a) Electrostatic
b) Continuous
c) Electronic
7.
______________ have many practical application in medicine and industry.
a) X-Rays
b) A-Rays
c) B-Rays
8.
Lyman series contains the wavelength in the:
a) Infrared region
b) Ultraviolet region
c) None of the above
d) Visible region
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