Convex Mirrors

Q.

The radius of curvature of a spherical mirror is $20cm$. What is its focal length?

Q.

Why is "Objects in mirror are closer than they appear" written on back and side mirrors of a vehicle? [5 MARKS]

Q.

Which of the following mirror has a larger field of view?

1. 

2. 

3. 

4. 

Q. Why are convex mirrors not used in flood light even though they can diverge light

Q.

No matter how far you stand from a mirror, your image appears erect. Which mirror are you most likely standing in front of?

1. Plane mirror

2. Concave mirror

3. Convex mirror

4. Either concave or convex mirror.

Q.

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

1. plane mirror

2. concave

3. parabolic concave mirror

4. convex mirror

Q. what are the features of a convex mirror to be used as rear view mirror ? also, define principal focus of a convex mirror.

Q. A mirror which always forms a virtural, erect and diminished image is -

1. a plane mirror
2. a convex mirror
3. a concave mirror
4. none of these

Q.

A convex mirror always forms a virtual image.

1. True
2. False

Q.

If the radius of curvature of a convex mirror is 36 cm, what is its focal length?