Identify the correct order of α,β and γ with reference to their penetrating power in decreasing order. I) α -ray II) γ -ray III) β -ray
A
II,III,I
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
II,I,III
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
I,II,III
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
III,I,II
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A II,III,I Penetration power: γ−ray>β−ray>α−ray.
Gamma rays has the lowest ionising power hence greatest penetrating power in comparison to other two where as alpha rays has the highest ionizing power.