The Formation of Images by; Lenses An object is situated to the left of a lens.

Question

The Formation of Images by; Lenses An object is situated to the left of a lens. A ray of light from the object is close to and parallel to the principal axis of the lens. The ray passes through the lens. Which one of the following statement is true? The ray crosses the principal axis at a distance from the lens equal to twice the focal length, no matter whether the lens is converging or diverging. The ray passes through the lens without changing direction, no matter whether the lens is converging or diverging. The ray passes through a focal point of the lens, no matter whether the lens is converging or diverging. The ray passes through a focal point of the lens only if the lens is a diverging lens. The ray passes through a focal point of the lens only if the lens is a converging lens.

Explanation / Answer

the ray passes through a focal point of the lens only if the lens is a converging lens is true. it does not passes in the case of diverging lens.

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