Question

a 5 cm tall object is placed perpendicular to the principal axis of a convex lens of focal length 20cm the image distance is? Please Solve This Sum I need ur help ​

Answer 1

Answer:

It will be found to be equal to 6 cm. Thus, object is placed at a distance of 6 cm × 5 = 30 cm from the lens. An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm.

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Answer 2

Answer:

will be found to be equal to 6 cm. Thus, object is placed at a distance of 6 cm × 5 = 30 cm from the lens. An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed.