Math, asked by sonushivam1, 5 months ago

the image of an object placed at 60 cm in fornt of the lens is obtained of a screen at distance 120 cm from it find the focal length of the lens what should be the height of image of object is 5 cm high

Answers

Answered by RafiyaFakir

0

Answer:

focal length= 40cm

height of image= 10cm

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