Chapter : Light - Reflection

Sub-topic 6 : Ray Diagrams (Convex Mirror)

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Practice Questions

Q1.

Why do we prefer a convex mirror as a rear view mirror in vehicles?

 

 

 Q2.

Define principal focus of a convex mirror.

 

 

Q3.

Draw a ray diagram to show the formation of a virtual image by a convex mirror. 

 

 

Q4.

Draw ray diagrams for the following cases when a ray of light 

(i) directed towards the centre of curvature of the convex mirror is incident on it.

(ii) parallel to principal axis is incident on convex mirror.

(iii) is incident at the pole of a convex mirror.

(iv) directed towards the focus of a convex mirror is incident on it. 

 

 

 

Q5. 

What is the difference between virtual image formed by a concave mirror and that formed by a convex mirror?

 

 

 

Q6.

Two light rays P and Q are incident on an optical device ′X′ which finally goes along ′R′ and ′S′. Identify optical device ′X′.