Radioactivity
Authored by ahmad hafizul hanis mohd shahar
Science
7th - 9th Grade
Used 297+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The unstable things in radioactive substance that emit radioactive rays
nucleus
neutron
proton
electron
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
SI unit for radioactivity
Aq
Bq
Ci
Fahrenheit
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Unit used in radioactivity
Aq
Bq
Ci
Fahrenheit
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
time taken for the number of undecayed nuclei to be reduced to half of its original value
this is also known as
(a)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following are radioactive radiation in the form of radioactive ray?
alpha, α
theta, θ
beta, β
gamma, γ
delta, δ
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following are radioactive radiation in the form of particle?
alpha, α
theta, θ
beta, β
gamma, γ
delta, δ
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following are radioactive radiation?
alpha, α
theta, θ
beta, β
gamma, γ
delta, δ
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