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प्रश्न
State the position of object, position of image, nature of image when: Convex lens is used as objective lens of photographic camera.
उत्तर
Object is in between infinity and 2F1. Image is formed between F2 and 2F1. Image is real; inverted and diminished.
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संबंधित प्रश्न
Draw a ray diagram to show the formation of the image of an object be placed so that a real and inverted image of the same size as the object is obtained using a convex lens
A ray of light travelling in water emerges into air. Draw a ray-diagram indicating the change in its path.
A convex lens produces an inverted image magnified three times of an object placed at a distance of 15 cm from it. Calculate focal length of the lens.
Find the nature, position and magnification of the images formed by a convex lens of focal length 0.20 m if the object is placed at a distance of:
0.25 m
A student did an experiment with a convex lens. He put an object at different distances 25 cm, 30 cm, 40 cm, 60 cm and 120 cm from the lens. In each case he measured the distance of the image from the lens. His results were 100 cm, 24 cm, 60 cm, 30 cm and 40 cm, respectively. Unfortunately his results are written in wrong order.
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Complete the following sentence.
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Distinguish between Concave lens and Convex Lens.
