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A student takes three lenses from a drawer labelled ‘convex lenses: f = 15 cm’.
(a) Describe, with the aid of a labelled diagram, how the student quickly checks that the lenses
have the correct focal length.
please just explain without diagram !!!
(a) Describe, with the aid of a labelled diagram, how the student quickly checks that the lenses
have the correct focal length.
please just explain without diagram !!!