two thin lenses of power + 3.5 D and - 2.5 d are placed in a contact find the power and focal length of the lens are combination
Answers
Answered by
42
P1 = +3.5 D P2 = -2.5 D
P = P1 + P2 (Note: P is the combined lens power)
P = (+3.5 -2.5) D
P = 1 D
P = 1/F
1 = 1/F
F = 1m OR F = 100cm. (F is the focal length of the combined lens)
P = P1 + P2 (Note: P is the combined lens power)
P = (+3.5 -2.5) D
P = 1 D
P = 1/F
1 = 1/F
F = 1m OR F = 100cm. (F is the focal length of the combined lens)
Answered by
4
Answer:
Hey mate here is ur answer
hope it helps u ....
pls mark my answerr brainliest if it is helpfull
Explanation:
Attachments:
Similar questions