Question

(a) A small object is placed 150 mm away from a diverging lens of focal length 100 mm.
(i) Copy the figure below and draw rays to show how an image is formed by the lens.
Figure
(ii) Calculate the distance of the image from the lens by using the lens formula.
(b) The diverging lens in part (a) is replaced by a converging lens also of focal length 100 mm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverging lens in part (a).

Answer 1

this is your answer

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Answer 2

a) The distance of the image from the lens is equal to the 30 cm

b) Image is smaller than the object from the diverging lens.

Explanation:

• A diverging lens is defined as a lens placed in the path of a beam of parallel rays can be called a diverging lens.
• A converging lens is defined as a double convex lens, or converging lens, focuses the diverging, or blurred, light rays from a distant object by refracting (bending) the rays twice.  
• The image formed by the diverging lens is virtual and erect and the size of the image is less than the size of the object.
• Whereas image formed by the converging lens is real and inverted. The image size is larger than the size of the object.