Wave OpticsHard
Question
A doctor prescribes spectacles to a patient with acombination of a convex lens of focal length 25 cm then the power of spectacles will be :
Options
A.- 6.5 D
B.1.5 D
C.-1.5 D
D.-8.5D
Solution
For combination of lenses, power
P = P1 + P2 =
= - 1.5 D
P = P1 + P2 =
= - 1.5 DCreate a free account to view solution
View Solution FreeMore Wave Optics Questions
Sodium lamps are used in foggy conditions because:...Intensity at a point of observation will be zero, when the number of half period zones exposed through the aperture, are...Which of the following diagrams represents the variation of electric field vector polarized light ?...Diffracted fringes obtained from the slit aperture are of :-...In the figure shown, a parallel of light is incident on the plane of the slits of Young′s double slit experiment. ...