A) \[0.576\]
B) \[0.348\]
C) \[0.192\]
D) \[0.096\]
E) \[0.048\]
Correct Answer: C
Solution :
Slit width, \[W=\frac{D\lambda }{d}\] Given, \[D=80\text{ }cm=80\times {{10}^{-2}}m,\] \[\lambda =6000{\AA}=6000\times {{10}^{-10}}m,\] \[d=\frac{5}{2}mm=\frac{5\times {{10}^{-3}}}{2}m\] \[\therefore \] \[W=\frac{80\times {{10}^{-2}}\times 6000\times {{10}^{-10}}\times 2}{5\times {{10}^{-3}}}\] \[W=0.192\times {{10}^{-3}}m=0.192\,mm\]You need to login to perform this action.
You will be redirected in
3 sec