Physics

Problem

2\,\text{cm}

tall object is placed (i)

50\,\text{cm}

and (ii)

20\,\text{cm}

in front of the same convex lens of focal length

15\,\text{cm}

. Let

h_1

and

h_2

be the magnitudes of the image heights in the two cases respectively. What is the value of

\dfrac{h_2}{h_1}

? a)

\dfrac{13}{7}

\dfrac{1}{7}

7

\dfrac{5}{2}