Question

22. Given below are few steps ( point
not in proper sequence)
following in the determination
of focal length of a given
convex lens by obtaining a
sherp Imege of a distant object.
(a) Mocourus the distance
between the lens and screen.
b) Adjust the position of the
lans to from a sharp image. (c)
Selected a suitable distant
object. (d) Hold the lens
between the object and the
saruan with its face parallel to
the screen
O c,a,d,b
O c,d,b,a
O c,a,b,d
O a,b,c,d​

Answer 1

Answer:

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