Question

an object is placed at a distance of 25 cm from a concave mirror 9f focal length 5 cm find the position and nature of the image?​

Answer 1

Answer:

Explanation:

Given,

Object distance, u=25cm

Focal length, f=20cm

From mirror formula

f

1

​  

=  

v

1

​  

+  

u

1

​  

 

−20

1

​  

=  

v

1

​  

−  

25

1

​  

 

⇒  

v

1

​  

=−  

20

1

​  

+  

25

1

​  

 

v=100cm

The image will be real, inverted magnified

Sry it got confused to you

I thinl

Answer 2

Answer:

an object of size 5cm is placed at a distance of 25cm from the pole of a concave mirror of radius of curvature 30cm as v is (-)be , so a real ,inverted image of height 7.5cm is formad at a distance of 37.5 cm in font of the mirror