Question

an object of height 10cm is positioned 30cm from a concave mirror with a focal length 8cm.find the image position .​

Answer 1

Answer:

1/v = 1/30-1/18

Explanation:

h1 = 10cm u =30cm f=8cm

we know that

1/v +1/u = 1/f

1/v+1/30=1/8

1/v = 1/30-1/18

now calculate yourself

hope it works and clears concept