In a laboratory four convex lenses L L L and L of focal

Last updated: 6/28/2023

In a laboratory four convex lenses L L L and L of focal lengths 2 4 6 and 8 cm respectively are available Two of these lenses form a telescope of length 10 cm and magnifying power 4 The objective and eye lenses are 1 L L 2 L L 3 L L 4 L L