Minimum height OF mirror and deviation

Find the minimum height of a mirror required to see the complete wall behind him.

A man of height 1.6 m wishes to see his full image in a plane mirror. The minimum height of the mirror needed for this purpose is

Find the minimum height of a mirror where one can see his full image.

Minimum Size OF mirror required to see full image

Assertion : When the object moves with a velocity vec(v ) , its image in the plane mirror moves with a velocity of -5 vec( v ) . With respect to the object , Reason : the minimum height of the mirror to be required to see the full image of man of height h is (h)/(3)

Minimum length OF mirror required||Spherical mirror||Concave & convex lens||Sign convention||Parallel rays||Relation OF R&f