Ray Diagrams of Spherical Mirrors

Q.

State the rules for drawing ray diagrams for spherical mirrors? Support them with ray diagrams.

Q.

Label the parts of the ray diagram.

1. A – centre of curvature; b – focus; C – pole; D – radius of curvature

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

3. A – pole; b –focus; C – centre of curvature; D – principal axis

4. A – principal axis; b – pole; C – radius of curvature; D – focus

Q.

If a mirror forms highly enlarged, real and inverted image, choose the position of the object and the mirror used to form the image.

1. convex, at focus point

2. concave, at centre of curvature

3. not possible to form such an image

4. concave, at focus point

Q.

A ray of light is traveling parallel to the principal axis. After reflection, which of the following paths will the ray take?

1. 1

2. 2

3. 4

4. 3

Q.

The geometric center of a spherical mirror is called

1. Pole of the mirror

2. Centre of curvature

3. Radius of curvature

4. Focal point

Q.

In the given mirror

C – centre of the sphere to which the mirror is part of

F – focus of the mirror

P – pole of the mirror

A – point on the mirror

D – point on the principal axis.

If a ray of light starts from C and is incident on A from which point will the reflected ray pass through?

1. C

2. F

3. P

4. D

Q.

A concave mirror can converge parallel beams of light at one point. But rays originating from the focus after reflection does not always travel parallel to the principal axis.

1. The same

2. Perpendicular to each other

Q.

A ray starting from the focus of a concave mirror becomes parallel to the principal axis after reflection.

1. True

2. False

Q.

Rays parallel to the principal axis of a concave or convex mirror meet or appear to come from which point?

1. At a point in the middle of the centre of curvature and focus

2. Centre of curvature

3. Pole

4. Focus

Q.

Draw a spherical concave mirror. Mark principal axis, centre of curvature and focus in this diagram.

Q.

In the mirror shown, the reflected ray will ___.

1. pass through F

2. pass through C

3. appear to come from F

4. appear to come from C

Q.

Match the following:

1. I - c, II - d, III - a, IV - b

2. I - b, II - d, III - a, IV - a

3. I - d, II - c, III - b, IV - a

4. I - c, II - d, III - b, IV - a

Q.

A ray through the centre of curvature hitting the spherical mirror makes an angle of ___ with the normal.

1. ${45}^{\circ }$

2. ${90}^{\circ }$

3. $0^{\circ }$

4. ${180}^{\circ }$

Q. Draw suitable diagram to illustrate how a beam of light incident parallel to the principal axis is reflected by a concave mirror.

Q.

In the given mirror:
C – the centre of the sphere to which the mirror is part of
F – the focus of the mirror
P – pole of the mirror
A – a point on the mirror
D – a point on the principal axis.
If a ray of light starts from C and is incident on the mirror at the point of incidence A, then the reflected ray will pass through which point?

1. P

2. F

3. C

4. D

Q.

If a mirror forms diminished, real and inverted image, choose the position of object and mirror which will form the above image?

1. Beyond the centre of curvature of a concave mirror

2. Between the focus and the centre of curvature of a convex mirror

3. Beyond the centre of curvature of a convex mirror

4. Between the focus and the pole of a concave mirror

Q.

Minimum number of rays required to find the position of an image in a convex mirror is ___.

1. 2

2. 3

3. 4

4. 1

Q.

A ray of light falling parallel to the principal axis on a convex mirror follows which of the following path?

1. 1

2. 2

3. 3

4. 4

Q.

Parallel rays of light incident on a convex mirror, after reflection, appear to diverge from the ___.

1. principal focus

2. focal plane

3. centre of curvature

4. pole