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प्रश्न
An object is placed at a distance of 30 cm in front of a convex mirror of focal length 15 cm. Write four characteristics of the image formed by the mirror.
उत्तर
Four properties of the image formed by the given convex mirror are:
(i) Image is always erect
(ii) Small in size
(iii) Virtual
(iv) Always forms behind the mirror between focus and pole.
संबंधित प्रश्न
A student obtains a blurred image of a distant object on a screen using a convex lens. To obtain a distinct image on the screen he should move the lens
(A) away from the screen
(B) towards the screen
(C) to a position very far away from the screen
(D) either towards or away from the screen depending upon the position of the object
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.
Which type of mirror has:
positive focal length?
State whether the following statement is true or false:
A diverging mirror is used as a rear-view mirror.
State three characteristics of the image formed by a convex mirror.
Draw a labelled ray diagram to show the formation of image in a convex-mirror when the object is at infinity. Mark clearly the pole and focus of the mirror in the diagram.
A shop security mirror 5.0 m from certain items displayed in the shop produces on-tenth magnification.
What is the type of mirror?
State two uses of a convex mirror.
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?
