Refraction: When a ray of light travelling in a homogenous medium, strikes a surface of separation between the two media, passes through it and goes into the second medium. The phenomenon is referred to...
Object at center of curvature:- When the object is placed at the center of curvature of a concave mirror, the image formed is also at center of curvature, same in size, real and inverted. Object beyond...
1) Principal focus : The principle focus of a convex mirror is the point on its principal axis to which a beam of light rays, initially parallel and close to the axis, appears to diverge after being reflected...
Rounding makes numbers that are easier to work with in your head. Rounded numbers are only approximate. An exact answer generally can not be obtained using rounded numbers. Use rounding to get a answer...