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प्रश्न
Draw a diagram to show how a converging lens focusses parallel rays of light?
उत्तर
When rays of light from a distant object pass through a converging lens, the light rays converge at the focus of lens (fig.).
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संबंधित प्रश्न
Explain with the help of a diagram, why the concave lens is also called a diverging lens.
How would you alter the above diagram to show how a converging lens can produce a beam of parallel rays of light.
With the help of a diagram, explain why the image of an object viewed through a concave lens appears smaller and closer than the object.
What type of lens is used to correct
myopia?
A concave lens forms a magnified or diminished image depending on the distance of an object from it.
Distinguish between concave and convex lens.
Convex lens : converging : : concave lens : _______
Convex magnifying glass is called divergent magnifying glass and concave magnifying glass is called converging magnifying glass.
Identify the device used as a spherical mirror or lens in following case, when the image formed is virtual and erect in case.
Object is placed between infinity and device, image formed is diminished and between focus and optical centre on the same side as that of the object.
Distinguish between Concave lens and Convex Lens.
