What is the sum of power of the two lenses if the power of a Converging lens is 4 and Diverging lens is 3?
a) 7 dioptre
b) 1 dioptre
c) -7 dioptre
d) -1 dioptre
Answers
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Answer:
Dangun Joseon
The founding legend of Gojoseon, which is recorded in the Samguk Yusa (1281) and other medieval Korean books, states that the country was established in 2333 BC by Dangun, said to be descended from heaven.
Explanation:
sorry dear I can't answer ... so sorry for it
Answered by
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Answer:
power=1/f(in meters)
p=p1+p2
convex is convergindg so+
concave is diverging so -
Explanation:
P=+4+(-3)
- P=+1 D
focal lenth is =1/p
=1m
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