. An object 5 cm high is held 25 cm away from a converging lens of focal length 10 cm
(i) Draw the ray diagram and
(ii) Calculate the position and size of the image formed.
(iii) What is the nature of the image
Best Answer
Ans.
Converging lens (Convex lens): Height of the object, h1 h= 5cm
(ii) Image distance, v = ?
Object distance, u = -25 cm
Image size, h2= ?
According to lens formula:
(iii) Nature of the image:
-The +ve sign of v show that image is real.
-The –ve sign of h2 show that image is inverted.
Size of image = 3.3cm
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