(A) in the experiment of alpha particle scattering, extremely thin gold foils are preferred over other metals. (R)gold is a ductile material.

Question

(A) in the experiment of alpha particle scattering, extremely thin gold foils are preferred over other metals. (R)gold is a ductile material.

(A) in the experiment of alpha particle scattering, extremely thin gold foils are preferred over other metals.
(R)gold is a ductile material.
A. if both assertion and reason are true and reason is the correct explanation of assertion.
B. if both assertion and reason are true but reason is not the correct explanation of assertion.
C. if assertion is true but reason is false.
D. if both assertion and reason are false.

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Related Questions

A nucleus with Z =92 emits the following in a sequence: `alpha,beta^(-),beta^(-),alpha,alpha,alpha,alpha,alpha,beta^(-),beta^(-),alpha,beta^(+),beta^(

2 Answers 5 Views

In Rutherford scattering experiment, wha will be the ratio of impact parameter for scattering angles `theta_(1)=90^(@) and theta_(2)=120^(@)`

2 Answers 4 Views

If `A=[alphabetagamma-alpha]` is such that `A^2=I` , then `1+alpha^2+betagamma=0` (b) `1-alpha^2+betagamma=0` (c) `1-alpha^2-betagamma=0` (d) `1+alpha

2 Answers 5 Views

In the geiger -marsden scattering experiment the number of scattered detected are maximum and minimum at the scattering angles respectively at

2 Answers 4 Views

(A) in alpha particle scattering number of alpha paritcle undergoing head on collision is small. (R) small fraction of the number of incident particle

2 Answers 5 Views

If a variable takes the discrete values `alpha-4`, `alpha -(7)/(2), alpha-(5)/(2), alpha-2,alpha+(1)/(2), alpha-(1)/(2), alpha+5(alpha gt 0)`, then th

2 Answers 4 Views

Prove that `tan alpha+2 tan 2 alpha+2^(2)tan^(2)alpha+..............+2^(n-1)tan2^(n-1)alpha+2^(@)cot2^(@)alpha=cotalpha`

2 Answers 6 Views

If `A(alpha, beta)=[("cos" alpha,sin alpha,0),(-sin alpha,cos alpha,0),(0,0,e^(beta))]`, then `A(alpha, beta)^(-1)` is equal to

2 Answers 6 Views

If `alpha, beta, gamma` are three real numbers and `A=[(1,cos (alpha-beta),cos(alpha-gamma)),(cos (beta-alpha),1,cos (beta-gamma)),(cos (gamma-alpha),

2 Answers 4 Views

If `f(x)=x^(11)+x^9-x^7+x^3+1` and `f(sin^(-1)(sin8)=alpha,alpha` is constant, then `f(tan^(-1)(t a n8)` is equal to `alpha` (b) `alpha-2` (c) `alpha+

2 Answers 5 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
gold is preferred because it has high atomic number.higher the positive charge on the nucleus more is the force of electrostatic repulsion, and larger is the angle of scattering of the alpha particles.

5 views Answered 2023-02-05 15:29