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संबंधित प्रश्न
A 50 cm tall object is at a very large distance from a diverging lens. A virtual, erect and diminished image of the object is formed at a distance of 20 cm in front of the lens. How much is the focal length of the lens?
What do you mean by the term dispersion?
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
What is meant by magnification? Write its expression. What is its sign for the (a) real (b) virtual, image?
A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find
- the focal length of mirror
- position of image.
Define the following term:
spherical mirror
Define the following term in relation to concave mirror.
Pole
Complete the following diagrams shown in the following figures by drawing the reflected rays.
Draw a ray diagram to show that a convex mirror has a wider field of view.
