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Byju's Answer
Standard X
Physics
Gamma Rays
Which of the ...
Question
Which of the following has the lowest speed when travelling through a given medium?
A
γ
-rays
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B
α
-rays
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C
β
-rays
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D
Cathode rays
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Solution
The correct option is
B
α
-rays
alpha particles are the heaviest and hence have very low speeds
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Similar questions
Q.
Identify the correct ascending order of
α
,
β
and
γ
rays with reference to their ionizing power.
(
I
)
α
−
r
a
y
,
(
I
I
)
γ
−
r
a
y
,
(
I
I
I
)
β
−
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a
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Q.
Assertion :
β
−
p
a
r
t
i
c
l
e
s
have greater penetrating power than
α
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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
−
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a
y
s
but heavier than
γ
.
Q.
α
-particles,
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Q.
Identify the correct ascending order of
α
,
β
and
γ
with reference to their ionizing power:
I)
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Q.
Identify the correct order of
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γ
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