Hypermetropia & Its Cure
Trending Questions
A distance of 100 cm exists between an object and a screen. For two different positions between the screen and the object, a lens can produce a true image of the object on the screen. There is a 40-centimeter space between these two positions. The value of N is ________ if the lenss power is close to (N/100)D, where N is an integer.
What are optical and non-optical aids?
A person cannot see distinctly at the distance less than one metre. Calculate the power of the lens that he should use to read a book at a distance of 25 cm
[CPMT 1977; MP PET 1985, 88; MP PMT 1990]
- + 3.0 D
+ 0.125 D
- 3.0 D
+ 4.0 D
A person cannot see distinctly at the distance less than one metre. Calculate the power of the lens that he should use to read a book at a distance of 25 cm
[CPMT 1977; MP PET 1985, 88; MP PMT 1990]
- + 3.0 D
+ 0.125 D
- 3.0 D
+ 4.0 D
Lens used to remove long-sightedness (hypermetropia) is
- Concave lens
- Plano-concave lens
Convexo-concave lens
Convex lens
Lens used to remove long-sightedness (hypermetropia) is
- Concave lens
- Plano-concave lens
Convexo-concave lens
Convex lens
A person cannot see distinctly at the distance less than one metre. Calculate the power of the lens that he should use to read a book at a distance of 25 cm
[CPMT 1977; MP PET 1985, 88; MP PMT 1990]
- + 3.0 D
+ 0.125 D
- 3.0 D
+ 4.0 D
