A light wave moves through glass (n = 1.5) at an angle of 15°. What angle will it have when it moves from the glass into air (n = 1)?

Question : Optics

a. A light wave moves through glass (n = 1.5) at an angle of 15°. What angle will it have when it moves from the glass into air (n = 1)?

b. Draw a ray diagram to locate the image of the arrow, as refracted through the lens shown. Write 2 – 3 sentences describing the type of image and its size relative to the object. What type of mirror could be used to form an image of the same type and size?

c. An object is located 70 cm from a concave mirror with a focal length of 15 cm. What is the image distance? Is the image real or virtual?

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