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प्रश्न
Make labelled ray diagrams to illustrate the formation of:
a real image by a converging mirror.
उत्तर
A real image is formed by a converging mirror when an object is placed anywhere between the focus and infinity, including the focus and infinity:
Here, P: pole, F: focus, C: centre of curvature, AB: object and A'B': image.
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संबंधित प्रश्न
A 3 cm tall object is placed 18 cm in front of a concave mirror of focal length 12 cm. At what distance from the mirror should a screen be placed to see a sharp image of the object on the screen. Also calculate the height of the image formed.
Fill in the following blank with suitable word:
Parallel rays of light are reflected by a concave mirror to a point called the ..........
When an object is placed at a distance of 15 cm from a concave mirror, its image is formed at 10 cm in front of the mirror. Calculate the focal length of the mirror.
What type of image/images are formed by:
a convex mirror?
A _____________ mirror is used by a dentist.
Pick out the concave and convex mirrors from the following and tabulate them.
Rear-view mirror, Dentist’s mirror, Torchlight mirror, Mirrors in shopping malls, Make-up mirror.
A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is ______.
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?
The image formed by a concave mirror is real, inverted and of the same size as that of the object, the position of the object should be ______.
