This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Chapter 18 Atomic and Nuclear Physics-11
1.
When Uranium (92 protons) ejects a beta particle, how many protons will be in the remaining nucleus?
a) 90 protons
b) 91 protons
c) 93 protons
d) 89 protons
2.
What is the radioactivity of 1.0 g of Radium?
a) 3.73 × 10
-10
Bq
b) 3.73 × 10
10
Bq
c) 3.73 × 10
11
Bq
d) 3.73 × 10
-11
Bq
3.
What is the radioactivity of 1.0 g of Radium?
a) 3.73 × 10
5
MBq
b) 3.73 × 10
-4
MBq
c) 3.73 × 10
-5
MBq
d) 3.73 × 10
4
MBq
4.
What is alpha particle?
a) Stream of high-energy electrons
b) Neon nucleus
c) Electron
d) Helium nucleus
5.
How many protons are present in alpha particles?
a) None
b) One
c) Two
d) Three
6.
How many neutrons are present in alpha particles?
a) Three
b) One
c) Two
d) None
7.
An unstable nucleus with large protons and neutrons may decay by emitting..........................?
a) Beta radiations
b) Gamma radiations
c) Alpha radiations
d) Tara radiations
8.
What are beta radiations?
a) Helium nucleus
b) Neon nucleus
c) Stream of low-energy electrons
d) Stream of high-energy electrons
9.
An unstable nucleus with excess of neutrons may eject....................?
a) Beta radiations
b) Alpha radiations
c) Gamma radiations
d) Tara radiations
10.
What is the charge on alpha particle?
a) 1e
b) -1e
c) -2e
d) 2e
This is more feedback!
This is the feedback!
