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A single lens, which will form the image...

A single lens, which will form the image of a given object at the same point as it formed by the combination of twoor more thin lenses, is calles as _____

A

equivalent lens

B

added lens

C

concave -convex lens

D

convexo-concave lens

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The correct Answer is:
A
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TARGET PUBLICATION-RAY OPTICS-EVALUATION TEST
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  4. An infinitely long rod lies along the axis of a concave mirror of foca...

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  6. The convex surface of a thin concavo-convex lens of glass of refractiv...

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  7. Focal length of a convex/ concave mirror depends on

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  8. A convex lens focal lenghts 30 cm made of glass of refractive index 1....

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  10. Two plano-concave lenses (1 and 2) of glass of refractive index 1.5 ha...

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  11. Assertion : If radius of curvature of mirror is doubled, focal length ...

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  12. An experiment needs to heat a small sample to 700 K, but the only avai...

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  15. For a given compound microscope, increase in length of tube

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  16. Which of the following (referred to a spherical mirror) do (does) not ...

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  17. Assertion : A single lens produces a coloured image of an object illum...

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