This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Chapter 20 - Atomic Spectra - 1
1.
There are three types of spectra, continuous spectra, __________ spectra and line spectra.
a) Round
b) Band
c) Trand
2.
______________ radiation spectrum is an example of continuous spectra.
a) Black body
b) Green body
c) White body
3.
Spectrometer uses____________ for observing atomic spectra.
a) Grating
b) Diffraction
c) Diffraction grating
4.
The fact that the spectrum of any element contains wavelength was utilized in the second half of________Century.
a) 18th
b) 20th
c) 19th
5.
The value of Rydberg’s constant is____________.
a) 1.0974 x 10
7
m
-1
b) 1.0974 x 10
7
m
-2
c) 1.0974 x 10
7
m
2
d) 1.0974 x 10
7
m
1
6.
The energy required to knock an electron out of an atom is called ___________ energy.
a) Ionization
b) Infrared
c) Grating
7.
Paschen series contains wavelength in the _____________ region
a) Infrared
b) Ionization
c) Grating
8.
The energy required to completely remove an electron from the first Bohr orbit is called_______.
a) Infrared energy
b) Ionization energy
c) Grating energy
This is more feedback!
This is the feedback!
