1) If the speed of light in empty space is 3.00 x 108 m/s, its speed in glass, whose index of refraction is 1.50, will be

2) An object is 8 m beneath the surface of a still pond. If the index of refraction of water is 1.33, the depth of the object, when viewed from above, will

3) A magnifying mirror produces a virtual image twice the size of the object. If the object is 10 cm from the mirror, the focal length of the mirror must be

4) An object is 12 cm on one side of a convex mirror, and its image is 8 cm on the opposite side of the mirror. The object is 6 cm high. The focal length of the mirror is

5) A magnifying glass of 8.0 cm focal length forms a real image at a distance of 24 cm from the lens. The distance between the object and the lens is

6) An object is placed 20 cm from a converging lens of focal length 25 cm. The image will be

7) If the calculation of the magnification of an object comes out to be negative (-), this means that the image must be

8) A lens that is dished inward at the center on both sides so that the lens has greater thickness at its edges is called