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प्रश्न
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संबंधित प्रश्न
An image that cannot be obtained on a screen is called ______.
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
At which point of the spherical mirror the carbon paper is placed?
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
What is meant by magnification? Write its expression. What is its sign for the (a) real (b) virtual, image?
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
The spherical mirror with a reflecting surface curved inward is called
A shopkeeper wanted to fix a mirror which will give a maximum view of his shop. What type of mirror should he use? Give reason.
The distance from the center of curvature of the mirror to the pole is called the focal length of the mirror.
A converging lens of focal length f is placed at a distance 0.3 m from an object to produce an image on a screen 0.9 m from the lens. With the object and the screen in the same positions, an image of the object could also be produced on the screen by placing a converging lens of focal length.
