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प्रश्न
Which of the following are concave mirrors and which convex mirrors?
Shaving mirrors, Car headlight mirror, Searchlight mirror, Driving mirror, Dentist's inspection mirror, Touch mirror, Staircase mirror in a double-decker bus, Make-up mirror, Solar furnace mirror, Satellite TV dish, Shop security mirror.
उत्तर
Convex mirror is used as a driving mirror, staircase mirror in a double-decker bus and shop security mirror.
Concave mirror is used as a shaving mirror, car headlight mirror, searchlight mirror, dentist's inspection mirror, touch mirror, make-up mirror, solar furnace mirror and satellite TV dish.
संबंधित प्रश्न
We wish to obtain an erect image of an object, using a concave mirror of focal length 15 cm. What should be the range of distance of the object from the mirror? What is the nature of the image? Is the image larger or smaller than the object? Draw a ray diagram to show the image formation in this case.
Described with the help of a diagram, the nature, size and position of the image formed when an object is placed beyond the centre of curvature of a concave mirror.
between its pole and focus
Describe the nature, size and position of the image formed in each case.
State one use of concave mirror bases on the formation of image as in case (i) above.
Describe the nature of image formed when the object is placed at a distance of 20 cm from a concave mirror of focal length 10 cm
If a concave mirror has a focal length of 10 cm, find the two positions where an object can be placed to give, in each case, an image twice the height of the object.
Radius of curvature of a spherical mirror is ............. its focal length.
A _____________ mirror is used by a dentist.
Choose the correct option from given alternative:
Consider the following properties of virtual images:
(A) cannot be projected on the screen
(B) are formed by both concave and convex lens
(C) are always erect
(D) are always inverted
Under which of the following conditions a concave mirror can form an image larger than the actual object?
Rays from Sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object?
