A spherical surface of radius of curvature R, separates air from glass (refractive index = 1.5). The center of…

Question

A spherical surface of radius of curvature $R$ , separates air from glass (refractive index = $1.5$ ). The center of curvature is in the glass medium. A point object $O$ placed in air on the optic axis of the surface, so that its real image is formed at $I$ inside glass. The line $OI$ intersects the spherical surface at $P$ and $PO = PI$ . The distance $PO$ equals:

A
$5R$
B
$3R$
C
$2R$
D
$1.5R$

Accepted Answer

A. $$5R$$

Answer

B. $$3R$$

Answer

C. $$2R$$

Answer

D. $$1.5R$$

Answer & step-by-step solution

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