sammiehammer
19.04.2021 •
Physics
Which of the following is the combination that is used in the formation of achromatic lenses?
1 point
1 convex and 1 plane mirror
2 convex lenses
1 convex and 1 concave lens
2 concave lenses
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Ответ:
convex and 1 plane mirror
Ответ:
Ответ:
height = 4 m
Explanation:
P.E = mgh1586 = 40 × 9.8 × h h = 1586 / 392h = 4.05 = 4 ( approx )