Question

Find the distance of the image when an object is placed on the principal axis at a distance
of 10 cm infront of a concave mirror whose radius of curvature is 8 cm.(AS)​

Answer 1

Answer:

Explanation:

Given : u=−10cm    R=−8cm=2f      f=−4cm

To find : v

Solution: From mirror formula

v

1

​  

+  

u

1

​  

=  

f

1

​  

 

v

1

​  

−  

10

1

​  

=−  

4

1

​  

 

v

1

​  

=  

10/4

−6

​  

 

v=  

3

−20

​  

cm