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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
Why do we prefer a convex mirror as a rear-view mirror in vehicles?
No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be ______.
If the focal length of a spherical mirror is 12.5 cm, its radius of curvature will be:
(a) 25 cm
(b) 15 cm
(c) 20 cm
(d) 35 cm
Why can you not use a concave mirror as a rear-view mirror in vehicles?
Where would the image be formed by a convex mirror if the object is placed:
between infinity and pole of the mirror?
Draw labelled ray-diagrams to show the formation of image in both the case.
An object is kept at a distance of 5 cm in front of a convex mirror of focal length 10 cm. Calculate the position and magnification of the image and state its nature.
Draw a diagram to represent a convex mirror. On this diagram mark principal axis, principal focus F and the centre of curvature C if the focal length of convex mirror is 3 cm.
Light travels in the same straight line path while passing through different media.
When the reflecting surface is curved outwards the mirror formed will be ______.
Identify the device used as a spherical mirror or lens in following case, when the image formed is virtual and erect in case.
Object is placed between infinity and device, image formed is diminished and between pole and focus, behind it.
