(a) Give reasons for the following: (i) Colour of the clear sky is – InterviewSolution

1.	(a) Give reasons for the following: (i) Colour of the clear sky is blue. (ii) The sun can be seen about two minutes before the actual sunrise. (iii) We cannot see an object clearly if it is placed very close to the eyes.(b) What is Presbyopia? Write two causes of this defect.
Answer» (a) Give reasons for the following: (i) Colour of the clear sky is blue. (ii) The sun can be seen about two minutes before the actual sunrise. (iii) We cannot see an object clearly if it is placed very close to the eyes. (b) What is Presbyopia? Write two causes of this defect.

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