Question

An object of size 2cm is placed at a distance of 20cm in front of a convex lens of focal length 10cm perpendiculaly on the axis.Find the position,size and nature of the image. ​

Answer 1

Distance of image is 20 cm from the lens.

Height of image is -2 cm.

Nature of image is Real and Inverted.

Answer 2

Answer:

size of object is 2 cm(ho)

size of the object hi is ?

f is -12

u is -20

v is ?

1/f=1/v+1/u

1/-12=1/-20+1/v

v is -30

-v/u is -30/20

M = -1.5

hi is 2×1.5=. 3

Step-by-step explanation:

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