# Geometrical Optics. Find the correct option(s)?

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Certainly! Please provide the options you would like me to evaluate for you.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- Does refraction change the direction of light when it passes from air to glass?
- A 2 cm tall object is placed 41 cm from a convex lens with a focal distance of 7 cm. The object is moved to 4cm from the same lens. How would you calculate the distance to the image from the lens, the magnification, and the height of the image?
- What is the critical angle of an optical fiber when cladding is added of n = 1.49?
- What is a single mirror?
- What causes reflection?

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