Question

an object is place 30 cm away from the convex mirror of focal length 20 cm draw the ray diagram and find the position of the image​

Answer 1

Answer: ere,

Image distance=v=20cm,

Object distance=u=−30cm,

Lens equation is given by,

v

1

​

−  

u

1

​

=  

f

1

​

,

putting the values we get,

20

1

​

−  

−30

1

​

=  

f

1

​

,

∴f=12cm

∴ Focal length of convex lens=f=12cm

Step-by-step explanation:

Answer 2

Answer:

jajjsnsbsbdn

Step-by-step explanation:

bbrndxlx