Which of the following statements are true for refraction in curved surfaces? (S

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 diverging lens is always negative.

The focal length for a diverging lens is always positive.

The focal length for a converging lens is always negative.

The focal length for a diverging lens is sometime negative, depending on where the object is placed.

The focal length for a converging lens is always positive.

Explanation / Answer

The focal length for a diverging lens is always negative.

The focal length for a converging lens is always positive.

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