-
4 thin rods of length L and mass M are joined together to make a square. Find the moment of inertia of the system about any side. My approach:- I am finding the MI about the left side. The MI of the top and bottom rods(each) ...
-
Parallel rays fall perpendicularly on a surface of a solid sphere of glass. The radius of the sphere is 5cm and refractive index of glass is 1.5. Where will the rays meet ? ...
-
What will be the minimum percentage for the students of WB board to be eligible for JEE 2013? ...
-
Some converging light rays fall on a convex mirror of focal length of 30 cm. In absence of the mirror the rays could meet at distance of 20 cm from the pole of the mirror. Where do the rays meet in presence of the mirror? ...