A straight line joining the object point and image point is always perpendicualr to the mirror:

A straight line joining the object point and image point is always perpendicular to the mirror, find distance of 2nd image in II mirror from object.

The straight line joining the points (-2,5) and (-4,3) is perpendicular to the line joining the points (k,0) and (2,3k) , find k.

The length of the straight line joining the centre of curvature and any point on the surface of a spherical mirror is the ______ of the mirror.

Find the image of the point with respect to line mirror.

Find the equation of the straight line which passes through the point (2, -3) and is perpendicular to the straight line joining the points (5, 7) and ( -6, 3).

if the straight line joining the points (3,4) and (2,-1) be parallel to the line joining the points (a,-2) and (4,-a), find the value of a.