Question

Sketch ray diagrams for a concave mirror when(1)m=-1,(2)m=-0.5(3)m=-3(4)m=+1.5

Answer 1

Dear Student,
Good question, Thanks for asking!!!!

Given Concave mirror :
1) m=-1
it means the image is real inverted and same size as Object.
Such image we will obtain when we keep an object on Centre of curvature.
2)m=-0.5
Image formed will be real , inverted and diminished
So such image is obtained when we keep the object beyond C.
3)m=-3
Image formed is real, inverted and magnified.
So to obtain this , object must be placed between F and C.
4) m=+1.5
Image formed is virtual, erect and magnified
So object must be placed in between P and F.
Please refer the attachments for the ray Diagram
Hope its Clear!!!