Reflection From a Curved Surface

Q.

The centre of the sphere of which the spherical mirror forms a part is called centre of curvature.

1. False

2. True

Q.

Label the parts of the diagram.

1. A – focus; B – centre of curvature; C – principal axis; D – pole

2. A – pole; B – focus; C – centre of curvature; D – principal axis

3. A – principal axis; B – pole; C – radius of curvature; D – focus

4. A – centre of curvature; B – focus; C – pole; D – radius of curvature

Q.

Define Principal Axis?

Q. What is curvature and what is the importance of of focal length?

Q.

what is principal axis

Q.

Find $\theta$ if the light is falling on the pole?

1. ${60}^{\circ }$

2. ${30}^{\circ }$

3. ${150}^{\circ }$

4. ${90}^{\circ }$