Question

pls give a proper answer i will mark. as brainliest...​

Answer 1

Answer:

Explanation:

hello!! friend!

here's ur answer:-

f=-10cm

u=-20cm

v=?

using .1/f=1/v-1/u 

we get ,

1/v=1f+1/u

= 1/-10+1/(-20)

= -2-2/20

=-(3)/20

v= -20/3cm

now,

m=h1/h0 =v/u

= h1=V/U*h0

= 20/3*20*5

= 5/3

= 1.6 cm 

the image found is virtual and diminished 

hope it helped u ^_^