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प्रश्न
Which of the above two cases illustrates the working of a magnifying glass?
उत्तर
Case (b) illustrates the working of magnifying lens as the object is between the focus and optical centre.
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संबंधित प्रश्न
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from an optically denser medium into air.
Fill in the following blank with suitable word:
The image in a convex lens depends upon the distance of the ........... from the lens.
Describe with the help of a ray-diagram, the size, nature and position of the image formed by a convex lens when an object is placed beyond 2f in front of the lens.
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For finding the focal length of a convex lens by obtaining the image of a distant object, one should use as the object.
(1) a well lit distant tree
(2) window grill in the class room
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(4) a lighted candle kept at the other end of the table.
The focal length of a lens is positive. In this case, state the kind of lens.
Which of the following statements is true?
