Image Formation by Convex Mirrors

Q. Why are convex mirrors used as rear-view mirrors in vehicles?

1. It forms a real, inverted and diminished image.

2. It forms a real, inverted and magnified image.

3. It forms a virtual, erect and diminished image.

4. It forms a virtual, erect and magnified image.

Q.

Match the following: [5 MARKS]

Column I	Column II
(a) A plane mirror	(i) Used as a magnifying glass.
(b) A convex mirror	(ii) Can form the image of objects spread over a large area.
(c) A convex lens	(iii) Used by dentists to see an enlarged image of teeth.
(d) A concave mirror	(iv) The image is always inverted and magnified.
(e) A concave lens	​​​​​​​(v) The image is erect and of the same size as the object.
	​​​​​​​(vi) The image is erect and smaller in size than the object.

Q.

How does a convex mirror always forms a virtual image?

Q.

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

1. 4

2. 1

3. 2

4. 3

Q.

The side mirror of a scooter got broken. The mechanic replaced it with a plane mirror. Mention any inconvenience that the driver of the scooter will face while using it?

Q.

Which of the following mirror always form virtual and diminished image irrespective of object location?

1. concave

2. parabolic concave mirror

3. plane mirror

4. convex mirror

Q. Why convex mirror can't be used instead of concave mirror as a shaving mirror?

Q.

Which of the following is not true?

1. A convex mirror can form a diminished virtual image.

2. A concave mirror can form a magnified real image.

3. A convex mirror can form a diminished real image.

4. A concave mirror can form a magnified virtual image.

Q.

A convex mirror is used as a shaving mirror.

1. True
2. False

Q. Why can't we use a concave mirror as a rear view mirror?

Q. Mirrors used as rear view mirrors in motor vehicles is .................

1. Plane mirror
2. Convex mirror
3. All of the above
4. Concave mirror

Q.

A mirror having a very wide field of view must be

1. concave

2. convex

3. plane

4. none of these

Q.

Which of the following ray diagrams is not correct?

1. 

2. 

3. 

4. 

Q.

xpln, why a ray of l8 passing through d centre of curvature of a concave mirror gets reflacted back along d same path

Q.

The image formed by a convex mirror will always be________than the size of the object.

Q. The mirror used as a side mirror in a scooter is

1. Convex mirror
2. Concave mirror
3. Convex lens
4. Concave lens

Q. For driving a car what type of mirror would you prefer to see traffic at your back and
why ? (Convex/Concave)

Q. The image formed by a convex mirror is:

1. erect and enlarged
2. erect and diminished
3. inverted and diminished
4. inverted and enlarged

Q. (a) Draw a labelled ray diagram to show the formation of image of an object by a convex mirror. Mark clearly the pole, focus and centre of curvature on the diagram.
(b) What happens to the image when the object is moved away from the mirror gradually?
(c) State three characteristics of the image formed by a convex mirror.

Q.

In case of a convex mirror, where would the image appear to form if the object is placed at infinity?

1. Pole

2. Principal focus

3. Center of curvature

4. Infinity

Q.

The image formed by a convex mirror is always virtual.

1. False

2. True

Q.

The image formed by a convex mirror is always virtual.

1. False

2. True

Q.

Which of the following mirror always form virtual and diminished image irrespective of object location?

1. Plane mirror

2. Concave mirror

3. Convex mirror

4. A combination of a plane mirror and a concave mirror

Q.

Among the given options, which is the most appropriate mirror that is small in size, but can form a full virtual image of a tall building?

1. concave mirror

2. plane mirror

3. a combination of concave and plane mirror

4. a convex mirror

Q.

Which of the following is the correct statement regarding the nature of the image formed by a convex mirror (for a real object)?

1. The image is always enlarged

2. The image is always diminished

3. The image is always real

4. The image is always inverted

Q.

If the image formed by a mirror is upright and diminished irrespective of the distance between the object and the mirror, what can you say about the type of mirror?

1. Convex mirror

2. Plane mirror

3. Concave mirror

4. Can’t be determined

Q.

What is the nature of images formed by a convex mirror?