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UPSC CDS Science Physics Questions Part 1

Question : 3 of 105

Marks: +1, -0

[2019 CDS-II]

actual size of specimen / observed size
observed size of specimen / actual size
actual size of specimen - observed size
actual size of specimen x observed size

Solution:

The ratio of the observed size of specimen by a spherical mirror to the size of the actual, is called the linear magnification by the spherical mirror, it is denoted by

m

i.e.

m =\; \frac{1}{0}

where,

I=

observed size of specimen and

O=

actual size of the object.

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