Question

state details of the nature size and position of the image from a convex lens of focal length 20 cm and object is kept at a distance of 30 cm ​

Answer 1

Answer:

nature-real and inverted, position of image=-12

Explanation:

f=-20

u=-30

v=?

by lens formula,

1/v-1/u=1/f

1/v=1/u+1/f

1/v=-1/30-1/20

1/v=-2-3/60

-5/60

1/v=-1/12

v=-12

hope this will help you

Answer 2

Answer:

size=the image formed

position = enlarged

nature=real and inverted