An object high is placed in front of

PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

An object

2\,\text{cm}

high is placed

30\,\text{cm}

in front of (i) a concave mirror of focal length

15\,\text{cm}

and (ii) a concave (diverging) lens of focal length

15\,\text{cm}

. Using the Cartesian sign convention, the magnifications produced are

m_1

and

m_2

respectively. What is the ratio

m_1:m_2

? (a)

1:-3

(b)

-3:1

(c)

-1:1

(d)

3:1