A converging lens of focal length 5cm forms a virtual image which is 10cm from the lens. How far from the lens is the object?

Emmy1234

9 years ago

is 3.3cm since it virtual 1,f=1,u+1,v

1,u+1,-10=1,5

1,u=1,10+1,5=3,10

u=10,3=3.3cm

lemibare

12 years ago

pls, I need working to dis answer

somkene

10 years ago

I support okessmynames's contribution. The image us virtual. It ought to be negative v

efegiemu

9 years ago

i need more solving on that pls

kevanetta

7 years ago

1/f=1/u+1/v
1/5=1/u+-1/10
1/5+1/10=1/u
3/10=1/u
u=3.3cm