Question

5  We are given a concave lens of focal length 20cm. Draw a ray diagram to show the nature, size and position of the image formed when the object is kept at a distance of 

30 cm 

​

Answer 1

Answer:

Here is ur answer...

Explanation:

• so the image is formed between f and 2f and the nature of the image is real inverted and diminished. So the image is formed beyond 2f and the nature of the image is real inverted and enlarged. Case3 When the object is placed at a distance of 15cm from the lens then the object is placed between the optical center and f..

Answer 2

Answer:

Explanation:

so the image is formed between f and 2f and the nature of the image is real inverted and diminished. So the image is formed beyond 2f and the nature of the image is real inverted and enlarged. Case3 When the object is placed at a distance of 15cm from the lens then the object is placed between the optical center and f.