Question

Duration: 3:00:00 Time Left : 2:16:43
In Rutherford's. a-ray
scattering experiment the
number of a particles
scattered at an angle 8 = 60° is
12 min. The no. of a-
particles per minute when
scattered at an angle of 90° are:
(A) 5
(B) 3
(C) 2
(D)
1​

Answer 1

Answer:

A) 5 is the answer.Hope thus helps you.