Q: The distance of closet approach of an α-particle fired towards a nucleus with momentum p, is r. If the momentum of the -particle is 2p , the corresponding distance of closet approach is

(a) r / 2

(b) 2r

(c) 4r

(d) r / 4

Ans: (d)

Science and Education

Q: The distance of closet approach of an α-particle fired towards a nucleus with momentum p, is r. If the momentum of the -particle is 2p , the corresponding distance of closet approach is

(a) r / 2

(b) 2r

(c) 4r

(d) r / 4

Ans: (d)