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प्रश्न
State two uses of a convex mirror.
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उत्तर
Two USES OF CONVEX MIRROR:
- It is used as a REARVIEW MIRROR.
- It is used as a VIGILANCE MIRROR
- It is used as a REFLECTOR IN STREET LAMPS
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संबंधित प्रश्न
If the image formed by a spherical mirror for all positions of the object placed in front of it is always erect and diminished, what type of mirror is it? Draw a labelled ray diagram to support your answer.
A diverging mirror is
(a) a plane mirror
(b) a convex mirror
(c) a concave mirror
(d) a shaving mirror
State the relation between object distance, image distance and focal length of a spherical mirror (concave mirror or convex mirror).
A ray of light of going towards the focus of a convex mirror becomes parallel to the principal axis after reflection from the mirror. Draw a labelled diagram to represent this situation.
A man standing in front of a special mirror finds his image having a very small head, a fat body and legs of normal size. What is the shape of:
(a) top part of the mirror?
(b) middle part of the mirror?
(c) bottom part of the mirror?
Give reasons for your choice.
Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed:
at 2F1,
Write true or false
The focal length of a convex mirror is equal to its radius of curvature.
List four properties of the image formed by a convex mirror when object is placed between focus and pole of the mirror.
The distance between an object and a convex lens is changing. It is noticed that the size of the image formed on a screen is decreasing. Is the object moving in a direction towards the lens or away from it?
What do you observe when an object is placed anywhere between P and infinity in front of a convex mirror?
