Q.

According to the New Cartesian Sign Convention for spherical lenses:

The measurements done above and perpendicular to the principal axis are taken as ________________.

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a

neutral

b

negative

c

none of the above

d

positive

answer is B.

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Detailed Solution

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The measurements done above and perpendicular to the principal axis are taken as positive. The measurements made below and perpendicular to the principal axis are considered with negative distances.

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According to the New Cartesian Sign Convention for spherical lenses:The measurements done above and perpendicular to the principal axis are taken as ________________.