Uses of Spherical Mirror Based on the Image Formed

Q.

Which mirror is used in headlights of cars? At what position is bulb placed in it and why?

Q.

The mirror used by a dentist to examine the teeth of a person is : (a) convex (b) concave (c) plane (d) any one of the above

Q.

Explain why, concave mirrors are used as shaving mirrors.

Q.

Which type of mirror is used in a solar furnace ? Support your answer with reason.

Q.

Which kind of mirror is used a torch reflector? Draw a labelled diagram to show how a torch reflector can be used to produce a parallel beam of light. Where is the bulb placed in relation to the torch reflector?

Q.

Which mirror is used as a street light reflector?

1. Plane mirror

2. Parabolic mirror

3. Convex mirror

4. Concave mirror

Q.

What is the advantage of using a convex mirror as a rear-view mirror in vehicles as compared to a plane mirror ? Illustrate your answer with the help of labelled diagrams.

Q. You are given three mirrors:- concave, convex and plane. How will you indentify them without touching them?

Q.

Name the type of mirror used by dentists. How does it help ?

Q.

Give two uses of concave mirrors. Explain why you would choose concave mirrors for these uses.

Q.

why is magnification in terms of mirrors -v/u whereas in lenses it is v/u ?

Q. State two uses of a convex mirror.

Q.

If a driver has one convex and one plane rear-view mirror, how would the images in each mirror appear different ?

Q. A man is standing at distance x from a a plane mirror in front of him. He wants to see the entire wall of height h in mirror which is at a distance y behind he man. Find the minimum size of the mirror required.

Q. A person 6 feet in height can see his full size erect image in a mirror. The image is 2 feet in height. This mirror has to be:

1. Plane or Convex
2. Plane or Concave
3. Necessarily Convex
4. Necessarily Concave

Q.

Name the lens mirror that is used as a reflector in torches.

Q.

Which type of mirror could be used as a dentist's mirror ?

Q. Focal length of a spherical mirror is the distance between the focus and the pole of the mirror.

1. True
2. False

Q.

Which of the following are concave mirrors and which convex mirrors ? Shaving mirrors, Car headlight mirror, Searchlight mirror, Driving mirror, Dentist's inspection mirror, Torch mirror, Staircase mirror in a double-decker bus, Make-up mirror, Solar furnace mirror, Satellite TV dish, Shop security mirror.

Q.

Identify the mirror which can form a diminished 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.

If the image formed is always virtual, the mirror can be :
(a) concave or convex (b) concave or plane (c) convex or plane (d) only convex

Q.

Which kind of mirror is used in the headlights of a car ? Why is it used for this purpose ?

Q.

A concave mirror cannot be used as : (a) a magnifying mirror (b) a torch reflector (c) a dentist's mirror (d) a rear view mirror

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

Q.

Why can you not use a concave mirror as a rear view mirror in vehicles?

Q.

Question 12
In torches, search lights and headlights of vehicles the bulb is placed

(a) between the pole and the focus of the reflector
(b) very near to the focus of the reflector
(c) between the focus and centre of curvature of the reflector
(d) at the centre of curvature of the reflector

Q.

Which of these types of mirrors are used as rear view mirrors?

1. Plain

2. Convex

3. Both (c) and (b)

4. Concave

Q. Name the type of mirror used as a shaving mirror

1. Concave mirror
2. Convex mirror
3. Plane mirror
4. None of the above

Q. Question 8 (a)
Name the type of mirror used in the given situation.
Headlights of a car
Support your answer with reason.

Q. Mirror used in solar furnace:

1. Concave mirror
2. Convex mirror
3. Parabolic mirror
4. Bi concave mirror