Question

How the 1/v+1/u=1/f,f=10,u=20then what is the value of the v??

Answer 1

Answer:

v= 20 cm

Explanation:

simply apply the given formula :

u will get

1/v=(u-f)/(f*u)

so v=(f*u)/(u-f)

v=(20*10)/(20-10)

v=200/10

v=20 cm

i hope this gonna help you

Answer 2

Answer:

20 cm is your answer mate ok