9.) An object of height 5 cm is placed 15 cm away from a convex mirror of focal length 20 cm. Find out the
location of the image and magnification produced. What happens to the image if the object is movedfarther from the mirror?10) A candle 5 cm in size is places at 30 cm in front of a concave mirror of radius of curvature 40 cm. Atwhat distance from the mirror should a screen be placed in order to obtain a sharp image? Describe thenature and size of the image. If the candle is moved towards the mirror, how would the screen have tobe moved?11) An object 2 cm in size is placed 30 cm in front of a concave mirror of focal length 15 cm. At whatdistance from the mirror should a screen be placed in order to obtain a sharp image? What will be thenature and the size of the image fanned? Draw a ray diagram to show the formation of the image in thiscase12) (a) To construct a ray diagram, we use two light rays which are so chosen that it is easy to know theirdirections after reflection from the mirror. List these two rays and state the path of these rays afterreflection. Use these rays to locate the image of an object placed between center of curvature and focusof a concave mirror(b) Draw a ray diagram to show the formation of image of an object placed between the pole andprincipal focus of a concave mirror. How will the nature and size of the image formed change, if themirror is replaced by converging lens of same focal length?
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