In Rutherford experments on α - ray scattering the number of particles scattered at 90° be 28 per minute. Then the number of particles scattered per minute by the same foil but at 60° are

Question

In Rutherford experments on α - ray scattering the number of particles scattered at 90° be 28 per minute. Then the number of particles scattered per minute by the same foil but at 60° are (A) 56 (B) 112 (C) 60 (D) 120

Tardigrade Admin · Accepted Answer

No. of particles scattered at angle θ is N α (1/sin4 ( (θ)2 ))

Q. In Rutherford experments on $α$ - ray scattering the number of particles scattered at $9 0^{\circ}$ be 28 per minute. Then the number of particles scattered per minute by the same foil but at 60 $^{\circ}$ are

56

112

60

120

No. of particles scattered at angle $θ$ is
$N α \frac{1}{s i n ^{4} ( \frac{θ}{2} )}$

Q. In Rutherford experments on α - ray scattering the number of particles scattered at 90∘ be 28 per minute. Then the number of particles scattered per minute by the same foil but at 60∘ are

56

112

60

120

No. of particles scattered at angle θ is Nαsin4(2θ​)1​

Q. In Rutherford experments on $α$ - ray scattering the number of particles scattered at $9 0^{\circ}$ be 28 per minute. Then the number of particles scattered per minute by the same foil but at 60 $^{\circ}$ are

No. of particles scattered at angle $θ$ is
$N α \frac{1}{s i n ^{4} ( \frac{θ}{2} )}$