Question

ab object is placed at 7 cm form a convex lens of focal lemgth of 5cm . calculate distance , nature and magnification of the image formed . draw a ray diagram for this situation

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Answer 1

Answer:

physic is a branch of science

it deals with mechanics

Answer 2

Answer:

Explanation:

Object = 7cm

Distance = 5cm

v = ?

focal length = 8cm

1 / v  - 1 /u = 1 / f

1/v = 1/ f + 1/ u

1 /v = 1/ 5 + 1/7

1 /v = 12 /35

12v =35

v = 35/12

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