Solve
Guides
0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

ument of size of pupil takes some time Two thin lenses are in contact and focal length of the combination is 30 cm. If the focal length of one lens IS 10 cm, then the power of the other lens will be (1) -3.33 D (3) -6.67 D (2) +3.33 D (4) +6.67 D

Open in App
Solution
Verified by Toppr


Was this answer helpful?
0
Similar Questions
Q1
Two thin lenses are in contact and the focal length of the combination is 80 cm. If the focal length of one lens is 20 cm, then the power of the other lens will be
View Solution
Q2

A convex lens of focal length 40 cm is in contact with a concave lens of focal length 25 cm. The power of the combination is


View Solution
Q3

Convex lens of focal length 15 cm is kept in series with a concave lens of focal length 30 cm. Find the power of the combination of lenses?


View Solution
Q4
An eye specialist prescribes spectacles having combination of convex lens of focal length 40 cm in contact with a concave lens of focal length 25 cm. The power of this lens combination in diopters is
View Solution
Q5

Two thin lenses of power, +3.5D and -2.5D are placed in contact, then the power and focal length of the lens combination is


View Solution