Ray Optics-IV Physics Test Series IIT JEE

Test Preparation on Ray Optics-IV-Physics Test Series IIT JEE-2020

1.

For a normal eye, the cornea of eye provides a converging
power of 40 D and the least converging power of the eye
lens behind the cornea is 20 D. Using the information, the
distance between the retina and the cornea eye lens can be
estimated to be-

11.5 cm
25 cm
32.5 cm
41.67 cm

2.

The hyper-metropia is a

1Short-side defect
2Long- side defect
3Bad vision due to old age
4None of these

3.

Two parallel pillars are 11 km away from an observer. The
minimum distance between the pillars so that they can be
seen separately will be-

13.2 m
220.8 m
391.5 m
4183 m

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