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A convex lens of focal length 10cm is pl...

A convex lens of focal length 10cm is placed 30 cm in front of a second convex lens also of th esame focal length. A plane mirror is placed after the two lenses. Where should a point object be placed in front of the first lens so that it imagees on to itself?

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PHYSICS GALAXY - ASHISH ARORA-GEOMETRICAL OPTICS-Practive Exercise 5.6
  1. A point source of light is kept at a distance of 15cm from a convergi...

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  2. A 5.0 diopter lens forms a virtual image which is 4 times the object p...

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  3. A point object is placed at a distance of 25 cm from a convex lens of ...

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  4. A convex lens of focal length 20 cm and a concave lens of focal length...

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  5. A convex lens of focal length 20cm is placed 10cm in front of a convex...

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  6. A converging lens of focal length 20cm is separated 8 cm from a diverg...

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  7. Two symmetric double convex lenses A and B have same focal length but ...

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  8. An object is placed at 20 cm left of the convex lens of focal length 1...

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  9. In the figure- it is shown,the focal length f of the two thin convex l...

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  10. A convex lens of focal length 10cm is placed 30 cm in front of a secon...

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  11. A small pin of size 5 mm is placed along principal axis of a convex le...

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  12. An object is kept at a distance of 16 cm from a thin lens and the imag...

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  13. An object is placed midway between the lens and the mirror as shown in...

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  14. Two thin convex lenses of focal lengths f(1) and f(2) are separated by...

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  15. A convex lens of focal length 15 cm and a concave mirror of focal leng...

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  16. A convex lens of focal length 15 cm is placed in front of a convex mir...

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