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Solution


Q.

The value of least distance of distinct vision for a normal human eye is _______.
1 35 cm  
2 25 cm  
3 45 cm  
4 70 cm  

Ans.

(2)

Least distance of distinct vision for a normal human being is 25 cm. It varies with age. For infants, it is 5 to 8 cm. The human eye can distinguish about 10 million colors.