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Two converging lenses having power
Two converging lenses with focal lengths 5 cm and 30 cm are placed 35 cm apart. Rays from a very distant object are impinged on
1 answer
asked by
Abby
694 views
Two converging lenses are separated by 50 cm, and have focal lengths of
f1 = 20 cm and f2 = 10 cm, as illustrated in Figure 2. An
1 answer
asked by
Anonymous
762 views
Two converging lenses, A and B,with focal length F1=20cm and F2=25cm,are placed 80cm apart. An object is placed F0cm in front of
2 answers
asked by
benjamin
1,166 views
Two converging lenses, A and B,with focal length F1=20cm and F2=25cm,are placed 80cm apart. An object is placed F0cm in front of
0 answers
asked by
benjamin
965 views
two lenses,one converging with focal length 20.0 cm and one diverging with focal length -10.0 cm , are placed 25.0 cm apart. An
1 answer
asked by
jimmy
1,824 views
Two converging lenses having power of +2.0 and +20.0 diopter are used to give magnifications in an astronomical telescope.
1 answer
asked by
Ewuosa Destiny
637 views
Which one of the following accurately describes a proper use of eyeglasses?
A. Using converging lenses to help a nearsighted
1 answer
asked by
Lea
1,060 views
do converging/diverging lenses work because of refraction?
1 answer
asked by
Kurst
402 views
Lenses can be either converging or diverging.
True False
0 answers
asked by
Anonymous
447 views
Which of the following optical instruments consists of converging lenses
1 answer
asked by
Uchenna jecinta
152 views