Question

object 5 cm in length is held 25cm away from a converging lens of focal length 10cm draw the ray diagram and find the position size and the nature of the image formed

Answer 1

Answer:

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. V = 50/3 cm. hi = -10/3 cm.

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Answer 2

Answer:

1/f = 1/v €“ 1/u

1/v = 1/10 -1/15

1/v = 3/50

V = 50/3 cm.

The image is real and inverted at a distance of 16.7 cm from the lens on opposite side. Magnification (m) = hi/h0= v/u

hi /5 =16.7/-25

hi = -10/3 cm.

Image is inverted and diminished.