Which of the following statements is NOT correct?

1. Cirele the correct answer la. (5 pts) Which of the following statements is NOT correct? A Mirage i caused by refraction of light in air that has a vertical refractive-index gradient; B. Eikonal indicates the amount of energy carried by a light ray; Geometrical optics can be applied for situations where the light wavelength is much smaller than the object or feature size; Light travels at the shortest optical path. C. D. lb. (5 pts) Which of the following forms a virtual image when performs its original function? A. A camera; B. A projector C. A magnifying glass; D. Eyes. 2. (do pts) ds shown i dhe figure below, a ray isincident on the interface between two media with refractive index mi and m respectively. Write down the relationship between G, G2, and 6 2. Answer the following questions ni 62 n2 2b. (10 pts) In which case is it possible to observe total internal reflection: a ray incident from glass to air or from air to glass? Find out the critical angle.