physics - geometrical optics II?

Thara

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An object 37.0 mm high is 23.0 cm away from a concave spherical mirror with a radius of curvature of 30.0 cm.
(a)
(i) How far from the mirror is the image? (absolute distance)

(ii) What is the absolute size of the image?

(iii) What is the nature of the final image?

(b) A java applet of a light source and a lens will load to help you answer the following questions. The light source can be moved with the mouse.

(i) What is the lens type?

(ii) What is the focal length of the lens?
 
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