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प्रश्न
Draw neat diagram to show the
Convergent action of a convex lens,
उत्तर
Diagram showing convergent action of convex lens :
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संबंधित प्रश्न
An object of height 2.5 cm is placed at a distance of 15 cm from the optical centre 'O' of a convex lens of focal length 10 cm. Draw a ray diagram to find the position and size of the image formed. Mark optical 'O', principal focus F and height of the image on the diagram.
One-half of a convex lens is covered with a black paper. Will this lens produce a complete image of the object? Verify your answer experimentally. Explain your observations.
A ray of light travelling in water emerges into air. Draw a ray-diagram indicating the change in its path.
Fill in the following blank with suitable word:
Parallel rays of light are refracted by a convex lens to a point called the ........
Distinguish between a convex lens and concave lens. Which of the two is a converging lens : convex lens of concave lens?
State whether convex lens has a real focus or a virtual focus.
An object 2 cm tall is placed on the axis of a convex lens of focal length 5 cm at a distance of 10 m from the optical centre of the lens. Find the nature, position and size of the image formed. Which case of image formation by convex lenses is illustrated by this example?
State the position of object, position of image, nature of image when: Convex lens is used as objective lens of photographic camera.
Draw a ray diagram to illustrate the determination of the focal length of a convex lens using an auxiliary plane mirror.
Find the odd one out and give its explanation.
