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An -particle of mass suffers one dimensional elastic collision with a nucleus of unknown mass. After the collision the -particle is scattered directly backward losing  of its kinetic energy .then the mass of the nucleus is

a)

 m

b)

2 m

c)

3 m

d)



Question ID - 50968 | SaraNextGen Top Answer

An -particle of mass suffers one dimensional elastic collision with a nucleus of unknown mass. After the collision the -particle is scattered directly backward losing  of its kinetic energy .then the mass of the nucleus is

a)

 m

b)

2 m

c)

3 m

d)

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Or            

     .............(i)

Now        

Thus,      

 

127 votes


127