* Rotation is nothing but rotating an object through an angle of 90 degrees, 180 degrees, 270 degrees either clockwise or anticlockwise. * For rotating 90 degrees clockwise and anticlockwise the steps...
Electric Potential: An object rose against gravity, gains some gravitational potential energy proportional to the work done required to raise the object against the gravitational pull. Similarly, in...
What is focal length? Ans: the distance between the pole and focal point. What is the relationship between the radius of curvature and focal length? Ans: R=2f What is myopia? When a person can see...
JEE 2011 Question on Logarithm Let (x0,y0) be the solution of the following equations: (2x)ln2 = (3y)ln3 3lnx = 2lnyThen x0 is(A)1 6(B)1 3(C)1 2(D) 6Answer and Comments: (C). We can treat the data as...