Question

Given below are few steps followed in the determination of focal length of a given convex lens by obtaining a sharp image of a distant object :
a) measuring distance b/w lens and screen
b) adjust the position of lens to form a sharp image
c) select a suitable distant object
d) hold the lens b/w the object and the screen withits faces parallel to the screen .
Write the correct sequence of steps for determining focal length .

Answer 1

$$\begin{gathered} Dearstudent \\ therequiredsequenceis- \\ c\to d\to b\to a \end{gathered}$$