2.
Define focal length of spherical lens.
A divergent lens has a focal length of 30 cm. At what distance should an object of height 5 cm from the optical centre of the lens be placed so that its image is formed 15 cm away from the lens? Find the size of the image also.
Draw a ray diagram to show the formation of image in the above situation.
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The Cricket World Cup is the international championship of One Day International cricket. The event is organised by the sport's governing body, the International Cricket Council, every four years, with preliminary qualification rounds leading up to a finals tournament.
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