We have sent an email with your new password.

Close this window

Chapter 9 Quiz

38 Questions  I  By Jlsanko
Chapter 9 Quiz

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  The speed of the wave packet that corresponds to a moving particle is 
A.
B.
C.
D.
2.  The narrower the wave packet of a particle is
A.
B.
C.
D.
3.  An s orbital
A.
B.
C.
D.
4.  The classical model of the hydrogen atom falls because
A.
B.
C.
D.
5.  The photoelectric effect can be understood on the basis of 
A.
B.
C.
D.
6.  De Broglie waves can be regarded as waves of 
A.
B.
C.
D.
7.  According to the theories of modern physics, light
A.
B.
C.
D.
8.  Which of teh following types of radiation is not emitted by the electronic structures of atoms? 
A.
B.
C.
D.
9.  A quantum number is not associated with an atomic electron's 
A.
B.
C.
D.
10.  The electrons in an atom all have the same 
A.
B.
C.
D.
11.  The quantum-mechanical theory of the atom is 
A.
B.
C.
D.
12.  The operation of the laser is based upon 
A.
B.
C.
D.
13.  According to the theories of modern physics, 
A.
B.
C.
D.
14.  Most stars are hot objects surrounded by cooler atmosphere. The spectrum of such a star is a
A.
B.
C.
D.
15.  In the Bohr model of the atom, the electrons revolve around the nucleus of an atom so as to 
A.
B.
C.
D.
16.  According to the uncertainity principle, it is impossible to precisely determine at the same time a particle's 
A.
B.
C.
D.
17.  THe emission spectrum produced by the excited atoms of an element contains frequencies that are 
A.
B.
C.
D.
18.  An atom emits a phtoon when one of its orbital electrons
A.
B.
C.
D.
19.  An electron in a p state of an atom has an angular momentum quantum number l of 
A.
B.
C.
D.
20.  The energy difference between adjacent energy levels in the hydrogen atom
A.
B.
C.
D.
21.  If Planck's constant were larger than it is, 
A.
B.
C.
D.
22.  When the speed of the electrons that strike a metal surface is increased, the result is an increase in
A.
B.
C.
D.
23.  A neon sign does not produce
A.
B.
C.
D.
24.  A phenomenon that cannot be understood with the help of the quantum theory of light is 
A.
B.
C.
D.
25.  An electron can revolve in an orbit around an atomic nucleus without radiating energy provided that the orbit
A.
B.
C.
D.
26.  According to the Bohr model of the atom, an electron in the ground state
A.
B.
C.
D.
27.  The rate at which an object emits electromagnetic energy does not depend on its
A.
B.
C.
D.
28.  In a vaccum, all photons have the same
A.
B.
C.
D.
29.  The orbital of an atomic electron is 
A.
B.
C.
D.
30.  How many quantum numbers are needed to determine the size and shape of an atomic orbital?
A.
B.
C.
D.
31.  The description of a moving body in terms of matter waves is legitimate because
A.
B.
C.
D.
32.  Electrons behave like
A.
B.
C.
D.
33.  According to the exclusion principle, no two electrons in an atom can have the same
A.
B.
C.
D.
34.  Which of the following properties is not characteristic of the light waves from a laser? 
A.
B.
C.
D.
35.  A hydrogen atom is said to be in its ground state when its electron 
A.
B.
C.
D.
36.  When an atom absorbs a photon of light, which one or more of the following can happen? 
A.
B.
C.
D.
E.
37.  The mass of a photon
A.
B.
C.
D.
38.  WHen light is directed at a metal surface, the energies of the emitted electrons
A.
B.
C.
D.
Back to top

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz