A compound lens is made of two lenses in contact having power +12.5 D and -25 D. Find the focal length and power of the combination.
Answers
Answered by
29
focal length = 1/power
focal length = 1/12.5 = +2/25m or +0.08 m
next lens focal length = 1/power
focal length = 1/-25 = -1/25 m or -0.04m
power of combination = p1 + p2
12.5D + (-25) = -12.5D
HOPE IT HELPED YOU
IF YES THAN MARK IT AS THE BRAINLIEST
focal length = 1/12.5 = +2/25m or +0.08 m
next lens focal length = 1/power
focal length = 1/-25 = -1/25 m or -0.04m
power of combination = p1 + p2
12.5D + (-25) = -12.5D
HOPE IT HELPED YOU
IF YES THAN MARK IT AS THE BRAINLIEST
Similar questions