Optics -- magnification of a converging lens
Homework Statement
Dioptry of converging lens is $D=3$. What is magnification ##u##?
Homework Equations
The Attempt at a Solution
##\frac{1}{f}=D## - dioptry.
\frac{1}{f}=\frac{1}{p}+\frac{1}{l}
u=\frac{l}{p}
l=up...
Homework Statement
Homogeneous cube with one edge lying on the floor and the other on a smooth vertical wall. The underside of cube with a horizontal surface makes angle of
π6
.What is the value to the coefficient of friction between the cube and the floor to cube remain in balance...
Homework Statement
Homogeneous cube with one edge lying on the floor and the other on a smooth vertical wall. The underside of cube with a horizontal surface makes angle of \frac{\pi}{6}.What is the value to the coefficient of friction between the cube and the floor to cube remain in balance...