To obtain a magnification of 2.5, how far should an object be placed from the pole of a thin converging lens of focal length 0.20m?
v = 2.5u F = \(\frac {uv}{u + v}\) 0.2 = \(\frac {u \times 2.5u}{u + 2.5u}\) u = 0.28m
Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}