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Science TNSB Mentoring
Class 10
Optics
Refraction through a lens
1.
Focal length of human eye
Question:
4
m.
1
.
The focal length of human eye lens is -
\(2.5\ cm\)
\(25\ cm\)
\(25\ m\)
\(\infty\)
2
.
Which of the following can form diminished, virtual and erect image of your face?
Converging mirror
Diverging mirror
Converging lens
Diverging lens
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