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प्रश्न
List four specific characteristics of the images of the objects formed by convex mirrors.
उत्तर
Four specific characteristics of the images of the objects formed by convex mirrors are as follows:-
(i) The images formed are virtual and erect.
(ii) The images formed are always diminished.
(iii) The images are formed behind the mirrors between the poles and foci of the mirrors when the objects are placed anywhere between the poles and infinity.
(iv) The images are formed behind the mirrors at the foci of the mirrors when the objects are placed at infinity.
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संबंधित प्रश्न
A student obtained a sharp image of a candle flame placed at the distant end of the laboratory table on a screen using a concave mirror to determine its focal length. The teacher suggested him to focus a distant building, about 1 km away from the laboratory, for getting more correct value of the focal length. In order to focus the distant building on the same screen, the student should slightly move the
(a) mirror away from the screen
(b) screen away from the mirror
(c) screen towards the mirror
(d) screen towards the building
For what position of an object, a concave mirror forms a real image equal in size to the object?
If an object is placed at a distance of 8 cm from a concave mirror of focal length 10 cm, discuss the nature of the image formed by drawing the ray diagram.
Briefly describe how you would find the focal length of a concave mirror quickly but approximately
An object is placed at the following distances from a concave mirror of focal length 15 cm, turn by turn:
(a) 35 cm
(b) 30 cm
(c) 20 cm
(d) 10 cm
Which position of the object will produce:
(i) a magnified real image?
(ii) a magnified virtual image?
(iii) a diminished real image?
(iv) an image of same size as the object?
According to the "New Cartesian Singh Convention" for mirrors, what sign has been given to the focal length of:
a convex mirror?
What is the position of the image when an object is placed at a distance of 20 cm from a concave mirror of focal length 20 cm?
At what distance from a concave mirror of focal length 10 cm should an object be placed so that:
its real image is formed 20 cm from the mirror?
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the figure. Which of the following could be inside the box?
In which of the following, the image of an object placed at infinity will be highly diminished and point sized?
