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If R(1)andR(2) are the radii of curvatur...

If `R_(1)andR_(2)` are the radii of curvature of the spherical surfaces of a thin lens and `R_(1)gtR_(2)`, then this lens can

A

Correct myopia

B

Correct hypermetropia

C

Correct presbiopia

D

Correct astigmatism

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS-ASSIGNMENT (SECTION - C)
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  3. A luminous object is placed at a distance of 30 cm. from the convex le...

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  4. A plano convex lens is made of material of refactive index 1.6 The rad...

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  6. A bubble in glass slab (mu = 1.5) when viewed from one side appears at...

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  7. A body is locatyed on a wall. Its image of equal size is to be obtaine...

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  9. An equiconvex lens in cut into two halves along (i) XOX' f,f',f'' be t...

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  11. A double concave thin lens made out of glass (mu=1.5) have radii of cu...

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  17. The focal length of a thin lens in vacuum is f. If the material of the...

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