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Question
Name one simple optical instrument in which the above arrangement of convex lens is used.
Solution
A camera works on the above arrangement because the camera lens produces a small, real and inverted image of an object on the film.
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RELATED QUESTIONS
A student has obtained a magnified image of a flame on a screen using a convex lens. To draw the corresponding ray diagram to show the image formation, which of the following two rays whose paths after refraction are shown, should he select ?
(A) I and II
(B) II and III
(C) III and IV
(D) I and III
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| Instrument | Number of Convex Lenses |
Use |
| Simple Microscope | .............. | .............. |
| Compound Microscope | .............. | .............. |
| Telescope | .............. | .............. |
Fill in the following blank with suitable word:
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Object at 2F1 of a convex lens : Image at 2F2 : : Object at F1 : _______
Distinguish between:
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