Which of the following statements are true for refraction in curved surfaces? (S
ID: 2111476 • Letter: W
Question
Which of the following statements are true for refraction in curved surfaces? (Select all that apply.)[ ] The focal length for a converging lens is sometime negative, depending on where the object is placed.
[ ] The focal length for a converging lens is always negative.
[ ] The focal length for a converging lens is always positive.
[ ] The focal length for a diverging lens is sometime negative, depending on where the object is placed.
[ ] The focal length for a diverging lens is always positive.
[ ] The focal length for a diverging lens is always negative.
Explanation / Answer
[ ] The focal length for a converging lens is always positive. [ ] The focal length for a diverging lens is always negative.