3 A converging beam of rays is incident on a diverging lens Having passed through the lens the rays intersect at a point 15 cm

Question

3 A converging beam of rays is incident on a diverging lens Having passed through the lens the rays intersect at a point 15 cm from the lens on the opposite side If the lens is removed the point where the rays meet will move 5 cm closer to the lens The focal length of the lens is a 5 cm c 20 cm b 10 cm d 30 cm 14 Three charges each q are placed at the corners of an isosceles triangle ABC of sides CAMERA BC and AC 2a D and E are the mid points solucion A F2021 08 15 13

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