Flag Engineering Entrance Exams> An a-particle of energy 5 MeV is scattere...
question mark

An a-particle of energy 5 MeV is scattered through 180dgreeby a fixed uranium nucleus. Thedistance of the closest approach is of the order of

sudhanshu , 10 Years ago
Grade 12
anser 2 Answers
Saurabh Koranglekar

Last Activity: 4 Years ago

576-1768_we.PNG

Vikas TU

Last Activity: 4 Years ago

 One point is (_(92)235U) nranium nucleus
∴Q1=92e
The other point charge is a particle ∴Q2=+2e
Here the loss in K.E.=Ga∈∈P.E.(tilla−partic≤sthedistanced)
⇒1/2mν2=kq1q2/r⇒r=k2q1q2/(1/2mν2)
∴r=(9×10^9×2×1.6×10^−19×92×1.6×10^−19)/5×1.6×10^−13
=529.92×10^−16m
=592.92×10^−14cm=5.2992×10^−12cm

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

question mark
consider the figure of a single riveted lap joint as follows
Engineering Entrance Exams
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
Hello, Can we learn and prepare for MHT-CET online ?
Engineering Entrance Exams
0 Answer Available

Last Activity: 3 Year ago(s)