Question

16. The ability of the eye to focus both near and distant objects, by adjusting its focal leng
called the
17. For a normal eye, the range of vision is from
18. In case of a rectangular glass slab, the refraction takes place at both
_interface and
_interface. The emergent ray is
the direction of incident ray.
19. The power of a convex lens of focal length 10 cm is__
20. The absolute refractive index of a medium depends on
1
All
and
E allora​

Answer 1

Answer:

16. Upojojan.

17. 25 cm to infinite distance.

19. 0.

20.1

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