Consider the following statement:
- A ray of light passing through the optical centre of a convex lens emerges without any deviation after refraction.
- A ray of light passing through the first principal focus of a convex lens emerges parallel to the principal axis after refraction.
- A ray of light passing through the optical centre of a convex lens emerges parallel to the principal axis after refraction.
Which one of the following statements INCORRECT?
1
Only 1
2
Only 2
3
Only 3
4
All 1, 2 and 3