MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Science
Radioactivity
Quiz 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Q.1
What is the major drawback to fission power?
Radioactive Waste
CO2 Emissions
SO2 Emissions
All of the Above
Q.2
The three types of nuclear radiation in order of decreasing penetrating power are
alpha, beta, gamma
alpha, gamma, beta
beta, alpha, gamma
gamma, alpha, beta
Q.3
A radioactive nuclide has a ____ stable nucleus than a non-radioactive nucleus of the same element.
more
less
identical
small
Q.4
_______________ is the process by which unstable atoms emit radiation until they become stable.
Radiation
Chemical Reaction
Radioactive Decay
Isotopes
Q.5
Identify the type of nuclear decay shown here21483Bi → 0-+ 21484Po
alpha
beta
gamma
Q.6
When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element....
remains the same
decreases by one.
increases by one.
increases by two.
Q.7
A scientist counts radioactivity ascounts per minute. The background count iscounts per minute. Which value should be recorded
12 counts per minute
110 counts per minute
130 counts per minute
1200 counts per minute
Q.8
___________ starts the fission of a uranium atom.
Energy
Protons
One Neutron
All of the above
Q.9
__________________ is the process in which two or more smaller nuclei combine to create a larger, more stable nuclei.
Nuclear Decay
Nuclear Fission
Nuclear Fusion
None of the above
Q.10
After 4 half-lives,of a sample of Krypton-is left. What was the original mass of the sample?
16g
32g
0.0625g
4g
Q.11
Marie Curie used a magnet and a charge (both positive and negative) and failed to affect the direction of which type of radiation?
alpha (α) ray
beta (β) ray
gamma (γ) ray
Q.12
Name the type of radioactive particle that can be stopped by a sheet of paper.
alpha
beta
gamma
lambda
Q.13
The half-life of hydrogen-3 is 12.3 years. If I gave you a 2.gram sample of pure hydrogen-3 today, how much would you have in 24.6 years?
2.00 g
1.00 g
0.50 g
0.25 g
Q.14
This type of radiation results from the decay of an atomic neutron to a proton and the emission of a very light particle with a negative charge.
alpha (α) ray
beta (β) ray
gamma (γ) ray
Q.15
Which type(s) of radiation can pass through paper?
alpha
beta
gamma
alpha and beta
beta and gamma
Q.16
The % of the parent isotope remaining after 2 Half Lives.
50%
25%
12.5%
6.25%
Q.17
The % of the parent isotope remaining after 1 Half Life.
50%
25%
12.5%
6.25%
Q.18
After the second half-life, how much of the sample is left?
1/2
1/3
1/16
1/4
Q.19
After 4 half-lives,of a sample of Krypton-remains unchanged. What was the original mass of the sample?
16g
32g
0.0625g
4g
Q.20
Negatively charged particles emitted from a nucleus at a high speed are ____ .
protons
neutrons
electrons
protons and neutrons
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page