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प्रश्न
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.
उत्तर
The device is Convex mirror.
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संबंधित प्रश्न
Describe with a suitable diagram, how a convex mirror diverges a parallel beam of light rays. Mark clearly the pole, focus and centre of curvature of concave mirror in this diagram.
What type of image/images are formed by:
a concave mirror?
State three characteristics of the image formed by a convex mirror.
Name two factors on which the focal length of a lens depends.
Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed:
between F1 and the optical centre O of the lens.
Which of the above two cases shows the use of convex lens as a magnifying glass? Give reasons for your choice.
Why are the mirrors fitted on the outside of cars convex?
Nature of the images formed by a convex mirror is _______.
A full length image of a distant tall building can definitely be seen by using ______.
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?
The most common example of a convex mirror is the make – up mirror.
