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Byju's Answer
Standard XII
Physics
Gamma Decay
α-particles, ...
Question
α
-particles,
β
particles and
γ
rays are all having same energy. Their penetrating power in a given medium, in increasing order, is,
A
γ
,
α
,
β
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B
α
,
β
,
γ
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C
β
,
α
,
γ
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D
β
,
γ
,
α
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Solution
The correct option is
B
α
,
β
,
γ
For a given energy,
γ
−
rays have the highest penetrating power and
α
−
particles has the least penetrating power.
Hence,
(
B
)
is the correct answer.
Suggest Corrections
10
Similar questions
Q.
Consider
α
−
p
a
r
t
i
c
l
e
s
,
β
−
p
a
r
t
i
c
l
e
s
, and
γ
−
r
a
y
s
, each having an energy of 0.5 MeV. In increasing order of penetrating powers, the radiations are
Q.
Consider
α
−
particles,
β
−
particles &
γ
−
rays, each having an energy of
0.5
M
e
V
. Increasing order of penetrating of the radiations are:
Q.
Assertion :
β
−
p
a
r
t
i
c
l
e
s
have greater penetrating power than
α
−
r
a
y
s
but less than
γ
−
r
a
y
s
.
Reason :
β
−
p
a
r
t
i
c
l
e
s
are lighter than
α
−
r
a
y
s
but heavier than
γ
.
Q.
Consider
α
−
p
a
r
t
i
c
l
e
s
,
β
−
p
a
r
t
i
c
l
e
s
a
n
d
γ
−
r
a
y
s
, each having an energy of 0.5 MeV. The increasing order of penetration power is:
Q.
Mark the correct decreasing order of penetrating power of
α
particle,
β
particle and
γ
rays, each having an energy of
0.4
M
e
V
.
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