Posted by **gabriel sam responso** on Friday, November 23, 2012 at 12:57am.

1.An object 2.5cm high is placed 10cm from a converging lens. if the local length of the lens is 5cm,

a. How far from the lens will the image be formed?

b. How high is the image formed?

c. What is the total magnificatio of the object?

2. A terrestrial telescope is used to view an object 1.6km away. Calculate the magnification power of the telescope given that the focal length of its eyepiece is 5.08cm and of its objective len, 12.7cm

3. An object is located 3cm from a convex mirror and produces a virtual image at a distance of 5cm.

a. what is the focal length of the mirror?

b. if the object is 1.6cm high, what is the size of the image?

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