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When an object is placed at a distance o...

When an object is placed at a distance of 36 cm from a convex lens, an image of the same size as the object is formed. What will be the nature of image formed when the object is formed. What will be the nature of image formed when the object is placed at a distance of:
a) 10 cm from the lens?
b) 20 cm from the lens?

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a) Virtual, erect and magnified b) Real, invered and magnified
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LAKHMIR SINGH & MANJIT KAUR-REFRACTION OF LIGHT-Exercise
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  2. An object is placed at the following distances from a convex lens of f...

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  3. When an object is placed at a distance of 36 cm from a convex lens, an...

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  4. a) Draw a diagram to show how a converging lens focusses parallel rays...

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  5. Write the formula for a lens connnecting image distance (v), object di...

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  6. What is the nature of the image formed by a convex lens if the magnifi...

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  7. What is the nature of the image formed by a convex lens if the magnifi...

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  8. What is the position of image when an object is placed is at a distanc...

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  9. Describe the nature of image formed when an object is placed at a dist...

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  10. At what distance from a converging lens of focal length 12 cm must an ...

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  11. State and explain the New Cartesian Sign Convention for spherical lens...

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  12. An object 4 cm high is placed at a distance of 10 cm from a convex len...

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  13. A small object is so placed in front of a convex lens of 5cm focal len...

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  14. Find the position and nature of the image of an object 5 cm high and 1...

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  15. Calculate the focal length of a convex lens which produces a virtual i...

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  16. An object is placed at a distance of 100 cm from a converging lens of ...

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  17. A convex lens produces an inverted image magnified three times of an o...

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  18. A converging lens of focal length 5 cm is placed at a distance of 20 c...

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  19. An object 5 cm in length is held 25 cm away from a converging lens of ...

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  20. At what distance should an object be placed from a convex lens of foca...

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