[Homework Home > Optics_Mirrors_and_Lenses]

 [1] A woman h= m tall stands x= m in front of plane mirror. What is the minimum height of the mirror to allow her to view her complete image, from head to foot. Assume her eyes are y= m below her head.

 [2] A spherical mirror has a radius of curvature of cm . What is the focal length of the mirror?

 [3] An object h= m tall is placed o= m from the front of a concave mirror with a radius of curvature of r= m . Where is the image formed, and how tall is it?

 [4] A candle is h= m tall. It is placed m in from of a concave mirror. A virtual image is produced that is m from the vertex of the mirror. Find the focal length and radius of curvature of the mirror. Also, how tall is the image of the candle?

 [5] An object is cm tall and is cm from a concave lens. The resulting image is m= " " as large as the object. What is the focal length of the lens?

 [6] A converging glass lens with an index of refraction of n= " " has a focal length of f= cm in air. What is the focal length in water, that has an index of refraction of 1.33?