Question

A student is conducting an experiment w
concave mirror of focal length 10 cm. Fin
position of the image when object is plac
at 20 cm​

Answer 1

Answer:

Answer will be 6.66 cm

Explanation:

f=-10

u=-20

v=?

so 1/f=1/v-1/u

1/-10 =1/v-1/-20

-1/10=1/v+1/20

-1/10-1/20=1/v

-2-1/20=1/v

-3/20=1/v

v=-6.66cm

thankyou