Question

At what distance from the diverging lens of focal length 30cm, a 5cm tall object be placed so as to obtain its image at 15cm from the lens? Also calculate the size of the image formed 

1. U = -60cm , size of image is = -2.5

2. U = -30cm , size of image = -2.5cm

3. U = -30cm , size of image = +2.5cm

4. U = +60cm , size of image = +2.5cm​

Answer 1

Answer:

At what distance from the diverging lens of focal length 30cm, a 5cm tall object be placed so as to obtain its image at 15cm from the lens? Also calculate the size of the image formed 

1. U = -60cm , size of image is = -2.5

2. U = -30cm , size of image = -2.5cm

3. U = -30cm , size of image = +2.5cm

4. U = +60cm , size of image = +2.5cm

Answer 2

Explanation:

4 is the answer hope u get it