Question
Write the IUPAC names of the following structural formulae:



Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.


1.Which principle is explained in this figure?
2.Which rule is used to find out the direction of force in this principle?
3. In which machine is this principle used? Draw a diagram showing the working of that machine. (Practice Activity Sheet – 2)

| Column A | Column B |
| (1) Persistence of vision | (a) Lenses and mirrors are used |
| (2) Reflecting telescope | (b) To see objects far away from us |
| (3) Telescope | (c) Motion picture |
| (4) Compound microscope | (d) To observe blood |
| (e) Convex lens |