Which of the following ray diagrams is correct for the ray of light incident on a concave mirror as shown in Figure 10.6?

The path of a ray of light coming from air passing through a rectangular glass slab traced by four students are shown as A, B, C and D in Figure 10.5. Which one of them is correct?

You are given water, mustard oil, glycerin and kerosene. In which of these media a ray of light incident obliquely at same angle would bend the most?

Which of the following ray diagrams is correct for the ray of light incident on a lens shown in Fig. 10.7?

A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from the top.