Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Physics
Consider α-particles, β-particles and γ-rays each having an energy of 0.5 MeV. In increasing order of penetrating powers, the radiations are
Q. Consider
α
-particles,
β
-particles and
γ
-rays each having an energy of 0.5 MeV. In increasing order of penetrating powers, the radiations are
3220
211
IIT JEE
IIT JEE 1994
Report Error
A
α
,
β
,
γ
38%
B
α
,
γ
,
β
0%
C
β
,
γ
,
α
25%
D
γ
,
β
,
α
38%
Solution:
Penetrating power is maximum for
γ
-rays, then of
β
-particles and then
α
-particles because basically it depends on the velocity. However, ionization power is in reverse order.