List-I contains four combinations of two lenses whose focal lengths are indicated. In all cases the object is 20 cm to the left of lens 1 and the two lenses are 5 cm apart. Match List-I with the final-image positions in List-II. Image

List 1

1. I. f₁ = + 10 cm, f₂ = + 15 cm

   

2. II. f₁ = + 10 cm, f₂ = - 10 cm

   

3. III. f₁ = + 10 cm, f₂ = - 20 cm

   

4. IV. f₁ = - 20 cm, f₂ = + 10 cm

   

5. .

List 2

1. (P) Final image 7.5 cm to the right of lens 2

2. (Q) Final image 60.0 cm to the right of lens 2

3. (R)Final image 30.0 cm to the left of lens 2

4. (S) Final image 6.0 cm to the right of lens 2

5. T. Final image 30.0 cm to the right of lens 2