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Science CBSE Homework Assignments
Class 8
Light
Protection of eyes and Braille system
1.
Human eye
Question:
4.5
m.
Pick
the correct option:
1
.
Which one of the following statements is correct regarding rods and cones in the human eye?
Rod cells are sensitive to bright light
Rod cells can sense colour
Rod cells are sensitive to dim light
Cone cells are sensitive to dim light
2
.
A person with normal eyes can read most comfortable at a distance of
30 cm
10 cm
25 cm
15 cm
3
.
In the retina of the eye, the area having no sensory cells is called
Pupil
Blindspot
Cornea
Iris
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