The second most common type of the condition is known as ocular albinism, in which only the eyes lack color; skin and hair are normal. There are five forms of ocular albinism; some types cause more problems-especially eye problems-than others.
Electric Field at the Center of a Semicircle. electric field of a semicircle on a point The rectangular part of the field is 100 yds long and the diameter of each semicircle is 44 yds Electric magnitude of semicircle
In the example shown, triangle ABC has been enlarged with scale factor k = 2. (k is sometimes known as the linear scale factor). The center of the enlargement may be a point outside the object, inside it, or on its boundary. Also the scale factor can be negative. In this case it is still true that for every point P its image point P 1 is given by OP 1 = kOP.